Wildlife Management Quiz

The "sport hunter" attitude is characterized by all of the above options. "Dominion over Nature" refers to the belief that humans have control and superiority over the natural world. "Mastery of their quarry" implies the desire to demonstrate skill and expertise in hunting. "Rituals and pageantry" suggests that sport hunters engage in ceremonial practices and elaborate displays during their hunting activities. Therefore, all of these characteristics collectively define the "sport hunter" attitude.

All of the options listed (turbidity, wave action, erosion) can disturb the penetration of light in a body of water. Turbidity refers to the presence of suspended particles or sediments in the water, which can block or scatter light. Wave action can cause mixing and turbulence in the water, which can also affect light penetration. Erosion can result in the release of sediment into the water, further contributing to turbidity and reducing light penetration. Therefore, all of these factors can disturb the penetration of light in water bodies.

The logistic growth model describes how a population grows over time. When the population is small, it is growing at nearly an exponential rate because there are plenty of resources available for individuals to reproduce and survive. As the population approaches its carrying capacity, it stops growing because the available resources become limited. When the population is about half of the carrying capacity, recruitment (the number of new individuals joining the population) is near its maximum because there are still plenty of resources available but competition is increasing. Therefore, all of the statements mentioned in the answer are correct explanations for different stages of population growth in the logistic growth model.

Observability and sampling are both important factors to consider when estimating a population parameter, such as N (the population size). Observability refers to the ability to obtain accurate and reliable data from the population, while sampling refers to the process of selecting a subset of the population to gather data from. In order to estimate N accurately, both observability and sampling need to be addressed. If there are issues with either observability (e.g., incomplete or biased data) or sampling (e.g., non-random or inadequate sampling techniques), it can lead to inaccurate estimates of N. Therefore, it is true that both observability and sampling are problems in estimating N.

Lead is a toxic heavy metal that can have harmful effects on living organisms. It is not essential for any biological processes and does not play any beneficial role in biological systems. In fact, lead exposure can lead to a wide range of health issues, including neurological damage, developmental delays, and organ damage. Therefore, the statement that lead has no known beneficial role in biological systems is true.

Epidemiology, specifically epizootiology, refers to the study of disease and disease patterns. It involves examining the occurrence, distribution, and determinants of diseases in animal populations. This field aims to understand the factors influencing the spread and impact of diseases, as well as develop strategies for prevention and control. By studying disease patterns, epidemiologists can identify risk factors, track outbreaks, and inform public health interventions to protect both animal and human populations.

The given answer states that option C and D are correct. Option C mentions that wolves in the Apennine Mountains prey on Chamois, deer, and wild boar. This is a valid statement as wolves are known to hunt and feed on these animals in the Apennine Mountains. Option D states that Parco Nationale d'Abruzzo, east of Rome, has wolves and brown bears. This is also a valid statement as the park is known for its population of wolves and brown bears. Therefore, both option C and D are correct.

Beavers have a narrow thermoneutral zone because they are semi-aquatic and can modify their environment. This means that beavers are able to regulate their body temperature by modifying their surroundings, such as building dams and lodges. By creating these structures, beavers are able to create a stable and warmer environment, even during colder temperatures. This allows them to conserve energy and maintain a narrow thermoneutral zone.

Conservation or survival centers are dedicated to preserving and protecting rare or endangered species. They focus on breeding and increasing the population of these species to prevent their extinction. By propagating these species, conservation centers aim to ensure their survival and maintain biodiversity. This goal aligns with the overall objective of conservation efforts to safeguard the Earth's delicate ecosystems and the species that inhabit them.

According to the given answer of 10%, it can be inferred that approximately 10% of hunters are women. This suggests that women constitute a minority within the hunting community, with the majority being men. The answer implies that hunting is predominantly a male-dominated activity, with women representing a smaller portion of the overall hunting population.

The correct answer is "all of the above" because all three forms of life mentioned in the options - carbon based, sulfur based chemoautotrophic, and subsurface lithoautotrophic - are found on Earth. This means that life on Earth can exist in different forms, utilizing different energy sources and biochemical processes.

The correct answer is "all of the above." The statement "The process of energy transfer between trophic levels is only about 10% efficient" implies that energy is lost as it moves up the food chain, resulting in fewer organisms being able to be supported at higher trophic levels. This, in turn, suggests that there would be fewer carnivores than herbivores in the Serengeti, as there is less energy available to sustain them. Additionally, the limited energy transfer implies that there cannot be a lot of top-level carnivores, as there would not be enough energy available to support a large population. Finally, the inefficiency of energy transfer also implies that the length of the food chain is limited, as there is not enough energy to support a long chain of organisms.

The Intermediate Disturbance Hypothesis suggests that species diversity is greatest at an intermediate level of disturbance. This means that when disturbance levels are too low, only a few dominant species may be able to thrive and outcompete others. On the other hand, when disturbance levels are too high, only a few highly adapted and resilient species may be able to survive. However, at an intermediate level of disturbance, a wider range of species can coexist, as there is a balance between competitive exclusion and the creation of new niches. This leads to a higher overall species diversity.

Counting animals exhibiting courtship displays can be used as a population index if certain assumptions about observability are met. This means that if we can accurately observe and count the number of animals engaging in courtship displays, it can provide an indication of the population size. However, it is important to ensure that the assumptions related to observability, such as being able to accurately identify courtship displays and having a representative sample, are met for this method to be effective.

A pathogen is a disease-producing agent. It is a microorganism, such as a virus, bacteria, or fungus, that can cause infection or disease in a host organism. Pathogens can be transmitted through various means, including direct contact, inhalation, or through a vector such as a mosquito or tick. They can cause a wide range of illnesses, from mild infections to severe diseases. Therefore, the term "pathogen" is the most appropriate answer in relation to the given terms.

Based on the given species-area relationship, if the area is doubled, the value of S (the number of species) would increase by 10 fold. Similarly, if the area is increased by 10 fold, the value of S would double. On the other hand, if the area is decreased by 10 fold, the value of S would halve. Therefore, options C and D are correct because they correctly state the relationship between area and S according to the given species-area relationship.

The US Fish and Wildlife Service is responsible for animal damage control. This agency is part of the Department of Interior and focuses on the conservation and management of fish, wildlife, and their habitats. They work to protect and restore endangered species, enforce wildlife laws, and manage wildlife refuges.

A zoonotic disease is a disease that can be transmitted between animals and humans. This means that the disease can be contracted by both animals and humans, and can be passed from one to the other. Zoonotic diseases can be caused by bacteria, viruses, parasites, and fungi, and can be transmitted through direct contact with an infected animal, through bites or scratches, through contaminated food or water, or through vectors such as ticks and mosquitoes. Some examples of zoonotic diseases include rabies, Lyme disease, and salmonellosis. It is important to take precautions to prevent the spread of zoonotic diseases, such as practicing good hygiene, vaccinating pets, and avoiding contact with wild or stray animals.

The given answer "all the above" is correct because exponential growth occurs when the per capita rate of growth is a constant percentage, which means that the growth rate remains constant over time. Additionally, exponential growth can also occur when the growth rate is a fixed percentage, such as 22%. Lastly, exponential growth can occur when the growth rate is an ever-increasing rate per unit of time, which means that the growth rate itself is increasing over time. Therefore, all of the given options accurately describe the conditions for exponential growth.

Metapopulations are characterized by subpopulations of various sizes that are somewhat isolated from one another. This means that the subpopulations are not completely connected and can have limited gene flow between them. Additionally, genetic exchange within subpopulations is usually greater than that between subpopulations, indicating that individuals within a subpopulation are more likely to mate with each other. Some subpopulations can wink in and out of existence, meaning that they can go extinct and then be recolonized. Finally, dispersal and recolonization among subpopulations is a key characteristic of metapopulations, as individuals move between different subpopulations to maintain genetic diversity and prevent inbreeding. Therefore, all of the above statements accurately describe the characteristics of metapopulations.

Fish, like Atlantic salmon, that live mostly in the sea but breed in fresh water are considered anadromous. Anadromous fish migrate from saltwater to freshwater to spawn. These fish are born in freshwater, then migrate to the ocean to grow and mature, and finally return to freshwater to reproduce. Atlantic salmon, for example, hatch in freshwater streams, migrate to the ocean to feed and grow, and then return to their natal streams to spawn. This migratory behavior allows anadromous fish to take advantage of different habitats for different stages of their life cycle.

The correct answer is "is greater for mice than elephants." This is because mice have a higher maximum intrinsic growth rate compared to elephants. Intrinsic growth rate refers to the maximum rate at which a population can grow under ideal conditions, without any limiting factors. Mice have a shorter lifespan and reach sexual maturity at a younger age compared to elephants, allowing them to reproduce more frequently and have a higher population growth rate. Elephants, on the other hand, have a longer gestation period and produce fewer offspring, resulting in a lower intrinsic growth rate.

Herbivores are limited by food quantity because they need to consume a large volume of plant material to meet their energy requirements. On the other hand, carnivores are limited by food quality because they need to obtain high-quality protein and nutrients from their prey. Additionally, herbivores typically have longer digestive tracts than carnivores to aid in the breakdown and absorption of plant material. Therefore, the correct answer is B and D.

Wolves can keep moose populations below levels the habitat can support. This is because wolves are natural predators of moose and play a crucial role in regulating their population. If the number of wolves is controlled, the moose population can increase beyond what the habitat can sustain, leading to overgrazing and depletion of resources. Therefore, controlling wolf populations helps maintain a balance in the ecosystem and ensures the sustainability of both moose and their habitat.

Turbidity and biomass of submerged vegetation do not have a positive correlation. Turbidity refers to the cloudiness or haziness of a fluid caused by suspended particles, whereas biomass is the total mass of living organisms in a given area. These two factors are not directly related, and the presence of turbidity may actually inhibit the growth of submerged vegetation by blocking sunlight and reducing photosynthesis. Therefore, the correct answer is false.

The extinction of the passenger pigeon was contributed to by the presence of railroads and telegraphs. These advancements in transportation and communication allowed for the efficient hunting and capturing of large numbers of passenger pigeons. The birds were sought after for their meat and feathers, and the ease of transportation made it possible to exploit them on a massive scale. This, combined with habitat loss and overhunting, led to the rapid decline and eventual extinction of the passenger pigeon.

Trumpeter swans are not hunted in eastern North Carolina.

In Dr. Pete Bromley's study of quail production in North Carolina, the highest quail populations were observed when the habitat was improved with field borders and predators were removed. This suggests that creating field borders enhances the quail's habitat, providing them with suitable nesting and foraging areas. Additionally, removing predators reduces the risk of predation on quail, allowing their populations to thrive. The combination of these two factors leads to the highest quail populations in the study.

The correct answer is "all of the above". If a management plan is in place to control predators of deer with the objective of increasing the number of deer bagged, it is important to monitor both predator and deer populations. This will help assess the effectiveness of the predator control measures and determine if the desired increase in deer population is being achieved. Additionally, evaluating hunter success is important as it provides information on the efficiency of hunting efforts and helps determine if the management plan is achieving its objective. Assessing habitat conditions for deer is also crucial as it allows for the identification of any factors that may be impacting deer populations and helps inform habitat management strategies. Finally, following an Adaptive Resource Management paradigm ensures that the management plan can be adjusted and improved based on ongoing monitoring and evaluation.

The given statement is true as all the options mentioned are correct. Selenium is indeed a trace element found in soils, and its deficiency can cause white muscle disease. It is also known to poison waterfowl in the San Joaquin Valley. Additionally, selenium is an essential micronutrient required by organisms for various biological processes. Therefore, the correct answer is "all of the above."

The correct answer states that preference is determined from an unlimited range of choice, whereas selection is determined from a limited range of choices. This means that when making a preference, one can choose from a wide variety of options, while selection involves choosing from a smaller set of options. This highlights the distinction between the two terms and emphasizes that they are not the same thing.

C.S. Hollings is associated with all of the above concepts. The term "functional response" refers to the relationship between the density of prey and the rate at which a predator consumes them. The term "numerical response" refers to the change in the abundance of predators in response to changes in prey density. "Adaptive Resource Management" is a concept that focuses on making informed decisions about resource allocation and management based on scientific understanding and adaptive feedback. C.S. Hollings has made contributions to all of these concepts.

A Conibear trap is an example of a trap designed to kill an animal quickly and humanely. This type of trap consists of two square metal frames that are hinged together and equipped with a powerful spring. When triggered, the trap snaps shut with great force, instantly killing the animal. The design of the Conibear trap ensures a quick and efficient kill, minimizing the suffering of the animal.

Adaptive Resource Management involves acknowledging incomplete knowledge of ecosystems, doing management as an "experiment," and monitoring. A linear management process, on the other hand, does not align with the adaptive approach. Instead of following a linear step-by-step process, Adaptive Resource Management emphasizes flexibility, learning, and adjusting management strategies based on new information and feedback.

Beavers are not an example of a precocial animal that is nidifugous. Precocial animals are born in an advanced state and are able to move around and feed themselves shortly after birth, while nidifugous animals leave the nest or burrow shortly after hatching or birth. Beavers, on the other hand, are altricial animals, meaning they are born in a helpless state and require care and feeding from their parents. Therefore, the given statement is false.

Hunting, fishing, and shooting sports are not responsible for 20% of the anthropogenic sources of lead in the environment. This statement is false.

Chronic Wasting Disease is a neurologic disease caused by prions. It is endemic in parts of Colorado, Wyoming, and Nebraska. This disease is of great interest in the management of cervids, such as deer and elk. Therefore, all of the given options are correct as they accurately describe different aspects of Chronic Wasting Disease.

The statement is "Chronic wasting disease has been found in North Carolina." The correct answer is False because the statement is not true. Chronic wasting disease has not been found in North Carolina.

The correct order of events in the Multiple Leg Syndrome is as follows:
3. Increased nutrient load (which may be caused by the increase in farm ponds on agricultural land)
5. Increased density of trematodes (parasitic flatworms)
1. Increased snail population (snails serve as intermediate hosts for trematodes)
2. Increased numbers of frogs with multiple legs (frogs become infected with trematodes)
4. Increased algae (due to the excess nutrients and snail population)
This sequence of events explains how the increase in farm ponds leads to an increase in nutrient load, which in turn affects the snail population and trematode density, resulting in the development of multiple legs in frogs and an increase in algae.

The correct answer is that induced edges come with the landscape, like the edge between north and south facing slopes. This means that these edges are naturally occurring and are a result of the physical features and characteristics of the landscape. They are not created by human activities and are considered to be a permanent part of the landscape.

The correct answer is "has the egalitarian notion that animals have rights equivalent to humans." This means that the animal rights movement believes that animals should be treated with the same level of respect and consideration as humans, and that they should have certain rights and protections. This perspective is based on the belief that animals are sentient beings capable of experiencing pain and suffering, and therefore should be afforded rights and protections to ensure their well-being.

Entropy is the measure of disorder or randomness in a system. While it is a fundamental concept in thermodynamics, it is not considered a basic ecological principle. Ecological principles focus on the relationships and interactions between organisms and their environment, such as the interconnectedness of species or the concept that every change in an ecosystem can have winners and losers. Entropy, on the other hand, is more related to the physical and chemical properties of systems.

The decline of black ducks can be attributed to multiple factors. Firstly, the reduction of forests in the East has led to an expansion of the mallard population towards the east, potentially competing with black ducks for resources. Additionally, black duck females readily pair with mallard males on the wintering grounds, which could lead to hybridization and a decrease in pure black duck populations. Furthermore, mallards have shown greater tolerance towards human disturbance compared to black ducks, which may give them a competitive advantage in human-altered environments. Lastly, the loss of forested wetlands in the East has resulted in a reduction of breeding habitat for black ducks.

The "Humanistic" anti-hunting attitude would include identifying with individual feelings of animals. This means that individuals with this attitude would empathize with the emotions and experiences of animals, considering them to be important and worthy of protection. This attitude opposes hunting as it involves causing harm and potentially taking away the lives of animals, which goes against the belief in valuing and respecting their individual feelings. This answer is supported by the given options as it aligns with the concept of humanistic values and attitudes towards animals.

An age pyramid graphically depicts the relative proportions of age classes in a population. It shows the distribution of different age groups within a population, typically displayed with the youngest age groups at the bottom and the oldest age groups at the top. This type of graph provides a visual representation of the age structure of a population, allowing for the analysis of population trends and characteristics such as birth rates, death rates, and life expectancy.

The Dead Sea is known for its extremely high salt content, which makes it 8.6 times saltier than the regular sea. This high salinity creates a harsh environment that is unable to support most forms of life. However, some microorganisms and bacteria have adapted to survive in this extreme environment, allowing the Dead Sea to support some life. Therefore, the correct answers are A and D.

The concept of what animals are considered wildlife can vary depending on an individual's viewpoint or perspective. Some may consider only mammals and birds to be wildlife, while others may include reptiles, amphibians, and even fish in their definition. Therefore, the correct answer is that it depends on one's perspective.

Passeriformes, commonly known as perching birds or songbirds, are known for their well-developed syrinx. The syrinx is a specialized vocal organ located at the base of the trachea, which allows passerines to produce complex and melodious songs. Therefore, the statement that all Passeriformes have a well-developed syrinx is incorrect. Some Passeriformes, such as the New Zealand kiwi, have a reduced or absent syrinx, and therefore do not possess the same vocal capabilities as other members of the order.

The correct answer is "infection" because it is the only term that directly relates to the presence of an agent capable of causing disease. Endemic refers to a disease that is constantly present in a particular population or area, vector is an organism that transmits a pathogen, pathogen is a microorganism that can cause disease, and carrier is an individual who carries a pathogen without showing symptoms. Therefore, infection is the most appropriate term in this context.

The cecum is a part of the digestive tract that is found in some herbivorous birds and mammals. It is a pouch-like structure that is located at the beginning of the large intestine. The cecum is responsible for the fermentation and breakdown of plant material, which is important for extracting nutrients from cellulose. This adaptation allows herbivores to efficiently digest plant matter and obtain the necessary nutrients from their diet.

Konrad Lorenz is not best recognized for demonstrating imprinting in whooping cranes. While Lorenz is known for his studies on imprinting, his most famous work was actually conducted on geese, not cranes. He is widely regarded as the founder of the field of ethology and made significant contributions to our understanding of animal behavior. However, his experiments on imprinting primarily involved geese, not whooping cranes. Therefore, the statement is false.

The brown tree snake is not an exotic species currently living in North Carolina. This is because the brown tree snake is native to the islands of the western Pacific Ocean, such as Guam and Papua New Guinea, and is not found in North Carolina. The other options listed (brown trout, house sparrow, and mute swan) are all exotic species that have been introduced to North Carolina and are currently living there.

The given answer states that bison make up a majority of the prey items of wolves, which is not true. While bison are indeed a prey species for wolves, they do not make up a majority of their prey items. Wolves in the Greater Yellowstone Ecosystem have a diverse diet that includes other ungulates such as elk and deer, as well as smaller mammals. Therefore, the statement is incorrect.

The correct answer is "show some evidence of a 'Mafia-like' retaliatory behavior by destroying the nest of a potential host that previously rejected a cowbird egg." This suggests that brown-headed cowbirds exhibit a behavior similar to the Mafia, where they retaliate against potential hosts that reject their eggs by destroying their nests. This behavior supports the idea that brown-headed cowbirds have evolved brood parasitism in conjunction with Eastern forest birds.

The statement says that chronic wasting disease has been found in North Carolina. However, the correct answer is False, which means that chronic wasting disease has not been found in North Carolina.

Trematodes, such as Ribeiroia, are considered infectious macroparasites. Infectious parasites are those that can be transmitted directly from one host to another, while macroparasites are larger parasites that can be seen with the naked eye. Trematodes, commonly known as flukes, are multicellular organisms that infect various animals, including humans. They have complex life cycles involving multiple hosts and can cause significant harm to their hosts. Therefore, the term "infectious macroparasite" accurately describes the category to which trematodes like Ribeiroia belong.

A vector is an organism, typically an insect, that transmits a pathogen or disease-causing agent from an infected animal to a susceptible animal. This transmission can occur through biting or other means, allowing the pathogen to enter the susceptible animal's bloodstream and cause infection. Therefore, a vector is responsible for the spread of diseases between animals by acting as a carrier for the pathogen.

This statement is false because estimating emigration is actually easier than estimating immigration. Estimating emigration involves tracking individuals leaving a specific country, which can be done through various methods such as monitoring travel records and exit surveys. On the other hand, estimating immigration involves tracking individuals entering a specific country, which can be more challenging due to factors such as undocumented immigration and individuals not registering their arrival. Therefore, it is generally easier to estimate emigration than immigration.

Aldo Leopold said "To keep every cog and wheel is the first precaution of intelligent tinkering." This quote emphasizes the importance of preserving and protecting all elements of the natural world. It suggests that in order to maintain a healthy and balanced ecosystem, every component, no matter how small, must be taken into consideration. Leopold believed in the responsible management of natural resources and the need for humans to be mindful of their impact on the environment.

The statement "North Carolina has about 100 gray wolves" is not true because North Carolina does not have a population of gray wolves. Gray wolves are not native to North Carolina and are not found in the state.

According to the island biography theory, a smaller and more isolated habitat patch would have fewer species compared to a larger and less isolated habitat patch. This is because smaller and more isolated habitats have limited resources and are less likely to support a diverse range of species. In contrast, larger and less isolated habitats provide more resources and opportunities for species to thrive, resulting in a greater number of species.

R-selected species are typically characterized by having a small body size, being poor competitors, being good dispersers, and having a high turnover rate. Therefore, none of the options listed (large body size, good competitors, poor dispersers, low turnover rate) are often associated with r-selected species.

Endemic refers to a disease that is constantly present at a "normal" level within a specific population or geographic area. It is not sporadic or epidemic, but rather consistently prevalent. This term is often used to describe diseases that are native or common to a particular region or population, and may not cause widespread illness or death.

As the population size (N) increases, the per capita growth rate decreases. This means that as the population gets larger, each individual has less access to resources and space, leading to a decrease in their growth rate. This is a fundamental relationship in sigmoid population growth, where the growth initially accelerates but eventually slows down as the population approaches its carrying capacity.

The statement is false because the moose and wolves of Isle Royale do not demonstrate a "balance of nature" or equilibrium. In reality, the populations of moose and wolves on the island have been fluctuating for decades. This is due to various factors such as disease outbreaks, predation, and availability of resources. The populations have experienced significant declines and increases over time, indicating that they are not in a stable equilibrium.

If mortality is compensatory, it means that the deaths of mallards are offset by other factors such as reduced competition for resources or increased reproductive success. This means that even if harvest regulations are in place and some mallards are killed, the population is able to compensate for these losses and maintain a stable population size. In this scenario, the harvest regulations would have less effect on the mallard population because the population can rebound from the mortality caused by hunting.

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The sustained yield curve in sigmoid growth is dome or hump shaped. This means that initially, the growth rate is slow, then it accelerates rapidly, and finally, it slows down again. This pattern resembles a curve that starts low, rises to a peak, and then declines. This shape is characteristic of sigmoid growth, where the population or yield initially grows slowly, then experiences rapid growth, and eventually levels off as it reaches carrying capacity or maximum sustainable yield.

The reintroduction of wildlife ideally enhances demographic and genetic management of wild and captive populations. This means that reintroducing wildlife can help to maintain and improve the population size and genetic diversity of both wild and captive populations. By reintroducing individuals from captive populations into the wild, the genetic diversity of the wild population can be increased. Additionally, reintroduction can also help to manage demographic factors such as population size and structure. This explanation aligns with the given correct answer.

The correct answer is "over exploitation by primitive man." This explanation suggests that the wave of extinctions in North America after the Pleistocene period was caused by primitive humans overhunting and depleting the populations of various species. This hypothesis implies that the actions of early humans played a significant role in the decline and disappearance of certain animals during that time.

The correct answer is "all of the above". This means that all of the reasons mentioned in the options were concerns of sportsmen and manufacturers regarding the ban on lead shot. They feared that gun barrels would be damaged, crippling losses would be greater, and shotgun shells would become prohibitively expensive.

State Wildlife Grants are the primary source of financing for the management of non-game species in North Carolina. This means that the state government allocates funds specifically for the conservation and management of species that are not typically hunted or fished. The other options listed, such as hunting and fishing license sales, Teaming with Wildlife funds, and the passage of the Conservation and Reinvestment Act, do not play a significant role in financing the management of non-game species in North Carolina.

Bounties as a means to control overabundant or unwanted wildlife tend to encourage removing only the "annual surplus." This means that bounties are implemented to target and remove only the excess population of wildlife that is causing problems, rather than eliminating the entire population. This approach helps in maintaining a balance in the ecosystem by controlling the population size without completely wiping out the species.

The correct answer is "grew at nearly an exponential rate." This is because when a few deer were introduced into previously unoccupied but excellent deer habitat, the population experienced rapid growth. The term "nearly exponential rate" suggests that the population growth was very fast, similar to exponential growth, but not exactly following an exponential pattern.

In order for a population index to be useful for comparisons over time or space, it is important that the observability of the index remains constant, even if the exact value is unknown. This means that the factors being measured and the methods of measurement should remain consistent, allowing for meaningful comparisons to be made. While observability being known or different may also be important in certain cases, the key requirement is that it remains constant.

The statement is false because prairie birds have evolved defenses against Brown-headed cowbirds. Prairie birds recognize and reject cowbird eggs from their nests, preventing the cowbirds from parasitizing their nests. This behavior has evolved as a defense mechanism to protect their own eggs and offspring from being outcompeted by the cowbird chicks. Therefore, it is incorrect to say that neither prairie birds nor eastern woodland birds have evolved defenses to Brown-headed cowbirds.

The Ovenbird is an example of an area sensitive Neotropical migrant species in the Southeast. This species is known for its unique and intricate nest, which is shaped like an oven and is built on the forest floor. The Ovenbird is highly dependent on specific habitat conditions, such as dense understory vegetation and leaf litter, making it sensitive to changes in its environment. It migrates to the Neotropics during the winter and returns to the Southeast for breeding, making it a Neotropical migrant species.

The correct answer is "is a legitimate management tool when applied judiciously." This is because over the years, wildlife biologists and managers have generally agreed that predator control can be an effective tool in managing wildlife populations. However, it should be applied carefully and selectively, taking into consideration the specific circumstances and ecological balance of the area. This means that indiscriminate predator control is not justified, but when used judiciously, it can be a legitimate management tool.

The statement is incorrect. A wildlife population that undergoes a rapid increase in numbers is referred to as a population boom or a population explosion, not an eruption.

In recent decades, there has been a shift in wildlife management from an agricultural to an ecological paradigm. This means that the focus has moved away from solely considering agricultural needs and practices in managing wildlife, and instead, there is now a greater emphasis on understanding and preserving the ecological balance and biodiversity of natural ecosystems. This shift recognizes the importance of considering the interconnections between different species and their habitats in order to effectively manage and conserve wildlife populations.

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Imprinting is a behavior that was discovered by Eugene Odum. It is an interesting but uncommon behavior among wild species. Imprinting is a form of phase-sensitive learning, which means it occurs during a specific period in an animal's development. It is mostly displayed by adult animals and rarely by young animals. Therefore, the correct answer is that imprinting is phase sensitive learning.

When prey populations increase, predators may exhibit a shift in behavior as a functional response. This means that predators may alter their hunting strategies, hunting grounds, or feeding patterns in order to adapt to the increased availability of prey. This shift in behavior allows predators to optimize their hunting efficiency and increase their chances of successfully capturing prey. Therefore, the correct answer is "a shift in behavior."

The correct answer is "stochastic events had a direct influence on the numbers of wolves and moose." This means that random and unpredictable events played a significant role in determining the population sizes of both wolves and moose on Isle Royale. These events could include factors such as disease outbreaks, extreme weather events, or fluctuations in food availability. This suggests that the population dynamics of the wolves and moose were not solely determined by predator-prey relationships, but were also influenced by chance events.

The correct answer is "chioneuphores." This term refers to wildlife that are adapted to snow. The prefix "chiono-" means snow, and the suffix "-phores" means adapted to or attracted to. Therefore, "chioneuphores" describes wildlife that are specifically adapted to snowy conditions. The other options, "chionophobes" and "chionophiles," do not accurately describe wildlife adapted to snow.

Paul Errington's contribution to wildlife science includes studying predator-prey relationships between muskrats and minks.