1.
The slow changes that occur when one community replaces another.
Correct Answer
B. Succession
Explanation
Succession refers to the gradual and predictable changes that occur in a community over time when one community replaces another. It is a natural process that happens due to various factors such as ecological disturbances or the natural aging of a community. Succession involves the colonization of new species and the gradual replacement of existing ones, leading to changes in the structure and composition of the community. This process can take place in terrestrial or aquatic habitats and is essential for the long-term stability and biodiversity of ecosystems.
2.
The number of offspring produced in a certain amount of time.
Correct Answer
D. Birthrate
Explanation
Birthrate refers to the number of offspring produced within a specific period of time. It is a measure of the reproductive capacity of a population and can vary depending on various factors such as age, health, and environmental conditions. A high birthrate indicates a population with a high potential for growth, while a low birthrate suggests a population that may be declining or experiencing limited reproductive success. Therefore, birthrate is a crucial factor to consider when studying population dynamics and understanding the overall health and growth potential of a population.
3.
Limited- having definable limits
Correct Answer
D. Finite
Explanation
Finite means having limits or bounds. In the given options, "finite" is the only word that directly relates to the concept of having definable limits. The other words, such as succession, competition, and analyze, do not specifically indicate the idea of having limits. Therefore, "finite" is the correct answer in this context.
4.
A living thing
Correct Answer
D. Organism
Explanation
The term "organism" refers to any living thing, including plants, animals, and microorganisms. It encompasses all living entities that have the ability to carry out basic life processes such as reproduction, growth, and response to stimuli. In the given options, "decomposers," "resources," and "commensaltor" do not encompass the broad range of living things, while "organism" is a more comprehensive term that includes all living entities.
5.
Green plants produce their own food.
Correct Answer
B. Producers
Explanation
Green plants are able to produce their own food through a process called photosynthesis. They have specialized structures called chloroplasts that contain chlorophyll, which enables them to capture sunlight and convert it into energy. This energy is used to combine carbon dioxide and water to produce glucose, which is their source of food. Therefore, green plants are considered producers in the ecosystem as they are able to synthesize their own food using sunlight, water, and carbon dioxide.
6.
The number of organisms per unit of living space.
Correct Answer
C. Population Density
Explanation
Population density refers to the number of organisms that exist in a given unit of living space. It is a measure of how crowded or dispersed a population is within a particular area. This metric is important in understanding the interactions and dynamics within a population, as well as its overall health and viability. By studying population density, scientists can gain insights into factors such as resource availability, competition, and the potential for disease transmission. Therefore, population density is the most appropriate term to describe the given definition.
7.
The combination of a community and it’s the nonliving environment.
Correct Answer
B. Ecosystem
Explanation
An ecosystem refers to the combination of a community, which consists of all the living organisms in a particular area, and its nonliving environment, including the physical factors such as temperature, sunlight, water, and soil. It is a complex system where organisms interact with each other and with their surroundings. Ecosystems can vary in size and can be found in various habitats, such as forests, deserts, or oceans. They play a crucial role in maintaining the balance of nature and the survival of different species.
8.
Organisms of the same species living together in a particular place.
Correct Answer
C. Population
Explanation
Population refers to a group of organisms of the same species that live together in a particular place. It represents the total number of individuals of a species in a given area or habitat. A population can interact with other populations and its size can be affected by factors such as birth rate, death rate, immigration, and emigration.
9.
Act in such a way as to have an effect on another.
Correct Answer
B. Interact
Explanation
The term "interact" means to engage or communicate with someone or something. In the context of the given question, acting in such a way as to have an effect on another implies engaging or communicating with another entity in order to create an impact or bring about a change. Therefore, "interact" is the correct answer as it best captures the idea of actively engaging with others to produce an effect.
10.
A relationship between two types of organisms in which one organism benefits while the other is not affected.
Correct Answer
C. Commensalism
Explanation
Commensalism is a type of relationship between two organisms where one organism benefits while the other is not affected. In this relationship, the organism that benefits obtains resources or support from the other organism without causing harm or benefiting it in any way. This type of interaction is often seen in nature, such as when a bird builds its nest in a tree, using the tree for support and shelter without causing any harm to the tree. Therefore, commensalism is the correct answer in this context.
11.
The largest number of individuals that the environment can support.
Correct Answer
B. Carrying Capacity
Explanation
Carrying capacity refers to the maximum number of individuals that an environment can sustainably support. It takes into account factors such as available resources, space, and competition for survival. When a population exceeds the carrying capacity, there is an imbalance between the population size and the available resources, leading to a decline in the population through factors like competition, predation, or disease. Therefore, the correct answer is "Carrying Capacity".
12.
To examine in detail- To look at very, very carefully
Correct Answer
C. Analyze
Explanation
The correct answer is "Analyze" because the phrase "To examine in detail" is synonymous with the word "analyze". Analyzing something means looking at it very carefully and closely, studying its components and characteristics thoroughly. Therefore, "analyze" is the most appropriate word choice to describe the action of examining something in detail.
13.
Biotic Potential- The number of individuals that could be produced under the best possible conditions.
Correct Answer
A. True
Explanation
The statement is true because biotic potential refers to the maximum reproductive capacity of a population under ideal conditions, without any limiting factors. It represents the maximum number of offspring that can be produced by individuals in a population. Biotic potential takes into account factors such as fertility, reproductive rate, and survival rate, and it provides an estimate of the population's growth potential.
14.
Community- Different ecosystems living together in an area.
Correct Answer
B. False
Explanation
The statement "Community- Different ecosystems living together in an area" is not correct. A community refers to a group of different species living together in the same area and interacting with each other. It does not specifically refer to ecosystems, which are larger and more complex systems that include both living organisms and their physical environment. Therefore, the correct answer is False.
15.
Consumers- Organisms that eat other organisms for food.
Correct Answer
A. True
Explanation
The statement is true because consumers are indeed organisms that rely on consuming other organisms for food. They cannot produce their own energy and nutrients, so they obtain them by feeding on other living things. This is a fundamental characteristic of consumer organisms, distinguishing them from producers that can create their own food through photosynthesis or chemosynthesis.
16.
Resources- Any physical or virtual thing of limited availability that needs to be consumed to obtain a benefit from it.
Correct Answer
A. True
Explanation
The statement is true because resources are indeed physical or virtual things that are limited in availability and need to be consumed in order to obtain a benefit from them. This can include things like natural resources, such as water or minerals, as well as virtual resources, such as computer software or digital content. The concept of limited availability implies that resources are finite and can be depleted or exhausted if not managed properly.
17.
Competition- The number of organisms that die in a given amount of time.
Correct Answer
B. False
Explanation
The given statement is false. Competition refers to the interaction between organisms of the same or different species where they compete for limited resources such as food, water, and shelter. It does not specifically refer to the number of organisms that die in a given amount of time.
18.
Limiting Factors- The factors that prevent a population from reaching its least potential and smallest numbers.
Correct Answer
B. False
Explanation
The statement is false because limiting factors actually prevent a population from reaching its maximum potential and largest numbers, not its least potential and smallest numbers. Limiting factors can include things like availability of resources, predation, competition, and disease, which can all limit population growth.
19.
Niche- The function an organism plays in its habitat.
Correct Answer
A. True
Explanation
The statement "Niche- The function an organism plays in its habitat" is true. A niche refers to the specific role or job that an organism has in its environment. It includes the way the organism interacts with other species, its behavior, its diet, and its habitat preferences. The niche of an organism is important for its survival and determines its impact on the ecosystem.
20.
_______________________ are any physical or virtual thing of limited availability that needs to be consumed to obtain a benefit from it.
Correct Answer
Resources
resources
Explanation
Resources, whether physical or virtual, are things that are limited in availability and need to be consumed in order to obtain some benefit from them. These can include natural resources such as water, minerals, and forests, as well as human resources like skills and knowledge. Additionally, virtual resources like computer software, data, and information are also considered resources as they are valuable and can be used to create value or solve problems. Overall, resources are essential for meeting various needs and achieving desired outcomes.
21.
The study of the living and non-living environment.
Correct Answer
Ecology
ecology
Explanation
Ecology is the study of the living and non-living environment. It focuses on understanding the relationships between organisms and their environment, including the interactions between different species and their physical surroundings. By studying ecology, scientists can gain insights into how ecosystems function, how they are impacted by human activities, and how they can be managed and conserved. The term "ecology" can be written with a capital "E" or a lowercase "e", but both refer to the same field of study.
22.
Organisms that break down the waste materials of dead animals and plants are known as ______________________.
Correct Answer
Decomposers
decomposers
Decomposer
decomposer
Explanation
Decomposers are organisms that break down the waste materials of dead animals and plants. They play a crucial role in the ecosystem by breaking down organic matter and returning essential nutrients back into the soil. They include bacteria, fungi, and certain types of insects and worms. By decomposing organic material, decomposers help to recycle nutrients and maintain the balance of the ecosystem.
23.
_____________________________________ relationship is the relationship when an animal preys on another animal which is hunted and killed for food.
Correct Answer
Predator/Prey
Prey/Predator
predator/prey
prey/predator
Predator Prey
predator prey
Prey Predator
prey predator
Explanation
The correct answer is "Predator/Prey, Prey/Predator, predator/prey, prey/predator, Predator Prey, predator prey, Prey Predator, prey predator." This answer is correct because it includes all possible combinations of the terms "predator" and "prey" in different orders. The relationship described in the question is one where an animal preys on another animal for food, which is commonly known as the predator/prey relationship.
24.
Parasitism is a relationship between two organisms where only _______________ benefits.
Correct Answer
one
One
1
Explanation
In parasitism, only one organism benefits from the relationship. The other organism, known as the host, is harmed or negatively affected. This type of relationship is characterized by the parasite relying on the host for resources and shelter, while the host suffers from the presence and actions of the parasite.
25.
Death rate is the number of organisms that ______________ in a given amount of time.
Correct Answer
Die
die
Explanation
The death rate is the number of organisms that die in a given amount of time.
26.
Slow changes that occur when one community replaces another.
Correct Answer
B. Succession
Explanation
Succession refers to the gradual and predictable changes that occur in an ecosystem over time when one community replaces another. It is a natural process that happens after a disturbance or when a new habitat is formed. Succession involves the colonization of new species, their growth, and eventual replacement by other species until a stable and mature community is established. This process is essential for the long-term health and stability of ecosystems, as it allows for the efficient use of resources and the adaptation of organisms to changing environmental conditions.
27.
The contest between organisms for things like food, water and space.
Correct Answer
C. Competition
Explanation
Competition refers to the contest between organisms for resources such as food, water, and space. It is a natural process that occurs in ecosystems as different organisms strive to survive and reproduce. Through competition, organisms compete for limited resources, leading to the selection of the fittest individuals. This process helps maintain balance and regulate population sizes within an ecosystem.
28.
Organisms that eat other organisms for food.
Correct Answer
C. Consumers
Explanation
Consumers are organisms that obtain their food by eating other organisms. They are an essential part of the food chain and can be classified into different categories based on their feeding habits. Consumers can be herbivores, carnivores, or omnivores, depending on whether they eat plants, other animals, or both. They play a crucial role in energy transfer and nutrient cycling within ecosystems. Producers, on the other hand, are organisms that produce their own food through photosynthesis or chemosynthesis. Decomposers are responsible for breaking down dead organic matter. Pediatrics, on the other hand, is a medical specialty focused on the care of infants, children, and adolescents.
29.
A population is known as the SAME species living together.
Correct Answer
A. True
Explanation
A population refers to a group of individuals of the same species that live in the same area and interact with one another. Each member of the population shares common characteristics and can potentially breed and produce fertile offspring. Therefore, it is correct to say that a population is composed of individuals of the same species living together.
30.
Ecosystems are made up of living and ____________________________.
Correct Answer
C. Non-living things
Explanation
Ecosystems are made up of living and non-living things. This means that in addition to plants, animals, and other living organisms, ecosystems also include non-living components such as air, water, soil, rocks, and sunlight. These non-living things play a crucial role in shaping the environment and providing the necessary resources for the survival and interactions of living organisms within the ecosystem.
31.
Consumers rely on producers for food and energy.
Correct Answer
A. True
Explanation
Consumers rely on producers for food and energy because producers are responsible for growing, harvesting, and processing food crops, as well as producing and distributing energy resources. Without producers, consumers would not have access to the necessary resources to meet their needs for sustenance and power. Therefore, it is true that consumers rely on producers for food and energy.
32.
Ecosystems are only a study of living things.
Correct Answer
B. False
Explanation
The statement "Ecosystems are only a study of living things" is false. Ecosystems encompass both living and non-living components, including plants, animals, microorganisms, and their physical surroundings such as air, water, and soil. Ecosystems involve the interactions and relationships between these biotic (living) and abiotic (non-living) factors, making it a comprehensive study of the entire ecological system.
33.
Birth rate and death rate help balance the population density.
Correct Answer
A. True
Explanation
Birth rate and death rate help balance the population density because they determine the rate at which individuals are being added to or removed from a population. If the birth rate is higher than the death rate, the population will increase, leading to a higher population density. Conversely, if the death rate is higher than the birth rate, the population will decrease, resulting in a lower population density. Therefore, the birth rate and death rate are important factors in maintaining a stable population density.
34.
Which of the items below are the most important resources for organisms in an ecosystem:
Correct Answer
B. Water and Food
Explanation
Water and food are the most important resources for organisms in an ecosystem. Water is essential for all living organisms as it is required for various biological processes such as digestion, respiration, and circulation. Food provides organisms with the necessary nutrients and energy to survive and carry out their daily activities. Without access to water and food, organisms would not be able to sustain life in an ecosystem.
35.
Habitat is the place where a population ___________________.
Correct Answer
Lives
lives
Explanation
The correct answer for this question is "lives, lives" because habitat refers to the natural environment or surroundings in which a population of organisms lives. The repetition of "lives" emphasizes that habitat is the place where a population exists and carries out its daily activities.
36.
A relationship between two organisms where only one benefits and one is harmed.
Correct Answer
C. Parasitism
Explanation
Parasitism is a relationship between two organisms where one organism, the parasite, benefits at the expense of the other organism, the host. The parasite benefits by obtaining nutrients or resources from the host, while the host is harmed in the process. This type of relationship is characterized by the dependency of the parasite on the host for survival and reproduction.
37.
A relationship between two organisms where both benefit.
Correct Answer
D. Mutualism
Explanation
Mutualism is the correct answer because it refers to a relationship between two organisms where both benefit. In mutualistic relationships, both organisms gain something from the interaction, such as food, protection, or reproduction. This type of relationship is mutually beneficial and can be seen in various examples, such as the relationship between bees and flowers, where bees get nectar for food while helping in pollination.
38.
This is the term which means "The largest number of individuals that the environment can support".
Correct Answer
C. Carrying Capacity
Explanation
Carrying capacity refers to the maximum number of individuals that a given environment can sustainably support. It represents the balance between available resources and the population's demands on those resources. When a population exceeds the carrying capacity, it can lead to resource depletion, competition, and ultimately a decline in population size. Therefore, carrying capacity is the term that best describes "The largest number of individuals that the environment can support."
39.
Consumers are green plants.
Correct Answer
B. False
Explanation
The statement "Consumers are green plants" is false. Consumers are organisms that obtain energy by consuming other organisms, while green plants are producers that produce their own energy through photosynthesis. Therefore, consumers cannot be green plants.
40.
The word "Finite" from our vocabulary list means
Correct Answer
D. None of the above
Explanation
The word "finite" means having limits or bounds, which is the opposite of unlimited, without boundaries, or limitless. Therefore, the correct answer is "None of the above."
41.
A relationship between two types of organisms in which one organism benefits while the other is not affected.
Correct Answer
B. Commensalism
Explanation
Commensalism is the correct answer because it describes a relationship between two organisms where one organism benefits while the other is not affected. In commensalism, one organism benefits from the association, while the other neither benefits nor is harmed. This type of relationship is often seen in nature, where one organism may use another organism for transportation, shelter, or access to food without causing any harm or benefit to the host organism.
42.
The number of offspring produced in a certain amount of time.
Correct Answer
D. Birth rate
Explanation
Birth rate refers to the number of offspring produced in a certain amount of time. It is a measure of the reproductive success of a population or species. This rate is influenced by various factors such as fertility, mortality, and the age structure of the population. Birth rate is an important demographic indicator that helps in understanding population dynamics and making predictions about future population growth.
43.
To look at something in science very, very carefully.
Correct Answer
B. Analyze
Explanation
Analyze is the correct answer because it means to examine or study something closely and in detail. In science, analyzing involves carefully observing and evaluating data, conducting experiments, and drawing conclusions based on evidence. It is a systematic approach that requires careful examination and interpretation of information. Therefore, "analyze" is the most appropriate term for looking at something in science very, very carefully.
44.
In a food chain, producers are the green plants that absorb energy from the Sun.
Correct Answer
A. True
Explanation
Producers in a food chain are indeed green plants that use sunlight to convert energy through photosynthesis. They are capable of absorbing energy from the Sun and converting it into food for themselves and other organisms in the food chain. This process forms the basis of the food chain as producers provide energy for consumers, such as herbivores, which are then consumed by carnivores, creating a flow of energy through the ecosystem. Therefore, the statement that producers are green plants that absorb energy from the Sun is true.
45.
The basic unit of structure and function in an ecosystem is the ____________________. It is at the bottom of the of the graphic organizer in class. It makes up tissue.
Correct Answer
Cell
cell
Cells
cells
Explanation
The basic unit of structure and function in an ecosystem is the cell. Cells are the building blocks of life and are responsible for carrying out all the necessary functions in an organism. They make up tissues, which in turn make up organs, and ultimately contribute to the overall functioning of an ecosystem.
46.
Any living thing is better known as :
Correct Answer
D. Organism
Explanation
Organism is the correct answer because it is a broad term that encompasses all living things, including parasites, consumers, and producers. An organism refers to any individual living entity that can carry out basic life functions such as reproduction, growth, and response to stimuli. Therefore, it is the most suitable term to describe any living thing.
47.
Different populations living together in an area is known as :
Correct Answer
B. Community
Explanation
Community refers to different populations of organisms living together in a specific area. It includes all the different species that interact and coexist within an ecosystem. These populations may have various relationships, such as competition, predation, or mutualism. The concept of a community emphasizes the interdependence and interactions between different species in a given habitat.
48.
Scientifically, organisms can sometimes, only sometimes, be non-living.
Correct Answer
B. False
Explanation
According to scientific understanding, organisms are always considered living entities. Organisms possess certain characteristics that are unique to living beings, such as the ability to grow, reproduce, respond to stimuli, and maintain homeostasis. Non-living entities, on the other hand, lack these characteristics. Therefore, organisms cannot be non-living.
49.
Animals and plants rely on each other to live.
Correct Answer
A. True
Explanation
Animals and plants have a mutually beneficial relationship known as symbiosis. Plants produce oxygen through photosynthesis, which is essential for animals to breathe. Animals, in turn, provide carbon dioxide and other nutrients to plants through their waste and decomposed bodies, which plants need for growth. Additionally, animals often help in pollination and seed dispersal, aiding in the reproduction of plants. This interdependence between animals and plants is crucial for the survival and balance of ecosystems.
50.
The factors that prevent a population form reaching its full potential.
Correct Answer
C. Limiting Factors
Explanation
Limiting factors are the factors that restrict or limit the growth, distribution, or abundance of a population. These factors can be both biotic (such as predation, competition, or disease) and abiotic (such as temperature, water availability, or nutrient availability). They act as barriers or constraints that prevent a population from reaching its maximum potential size or productivity. By imposing limits on resources or creating unfavorable conditions, limiting factors regulate population growth and maintain a balance in ecosystems.