1.
Water that is like vinegar, is also called?
Correct Answer
C. Acid rain
Explanation
Water that is like vinegar refers to acid rain. Acid rain is a type of rain that has a high level of acidity, similar to vinegar. It is caused by emissions of sulfur dioxide and nitrogen oxide, which react with the atmosphere to form sulfuric acid and nitric acid. Acid rain can have harmful effects on the environment, including damaging plants, aquatic life, and infrastructure.
2.
AN animal that is domesticated, is?
Correct Answer
B. Tamed, not wild
Explanation
A domesticated animal is one that has been tamed and is not wild. Domestication involves the process of selectively breeding and training animals to live alongside humans and be accustomed to human control and care. These animals are often kept as pets or used for various purposes such as farming or transportation. Domesticated animals have undergone significant changes in their behavior, genetics, and physical characteristics compared to their wild counterparts. Therefore, the correct answer is "tamed, not wild."
3.
A series of organisms that depend on one another for food is a
Correct Answer
B. Food chain
Explanation
A food chain is a series of organisms that depend on one another for food. It represents the flow of energy and nutrients from one organism to another in an ecosystem. Each organism in the chain is either a predator or prey, and they are interconnected through their feeding relationships. The correct answer, "food chain," accurately describes this concept.
4.
A living's thing home is its
Correct Answer
A. Habitat
Explanation
A living thing's home is its habitat. A habitat refers to the natural environment or surroundings in which an organism lives, including the physical and biological factors that influence its survival and reproduction. It provides the necessary resources, such as food, water, shelter, and suitable conditions for the organism to thrive and fulfill its life cycle. Therefore, habitat is the correct answer as it encompasses all aspects of an organism's living space and plays a crucial role in its overall well-being.
5.
Plants like ferns and mosses live along the ________( edge or banks) of the pond.
Correct Answer
banks
edge
Explanation
Plants like ferns and mosses typically grow in moist environments, and the edge or banks of a pond provide the ideal conditions for their growth. The banks of a pond often have higher levels of moisture due to the proximity to the water, making it a suitable habitat for these plants. Additionally, the banks provide stability and support for the plants' roots, allowing them to thrive in this specific location.
6.
The term wildlife means wild animals.
Correct Answer
A. True
Explanation
The statement is true because the term "wildlife" refers to animals that are not domesticated and live in their natural habitats. These animals are not under human control or ownership and are typically found in forests, jungles, deserts, oceans, and other natural environments. The term "wildlife" encompasses a wide range of species, including mammals, birds, reptiles, amphibians, and fish.
7.
To be imprinted is to be confused.
Correct Answer
A. True
Explanation
Being imprinted means to be confused. This suggests that when something is imprinted on someone's mind, it creates a state of confusion or uncertainty. Therefore, the correct answer is true.
8.
City animals are referred to as urban animals.
Correct Answer
A. True
Explanation
The statement is true because city animals are indeed referred to as urban animals. City animals are those that have adapted to living in urban environments, such as pigeons, rats, and squirrels. These animals have learned to navigate and survive in cities, often relying on human resources for food and shelter. The term "urban animals" is commonly used to describe these species that have successfully adapted to urban settings.
9.
Nocturnal means it is a type of animal that moves around and looks for food at night.
Correct Answer
A. True
Explanation
Nocturnal refers to animals that are active during the night and seek food during that time. This behavior allows them to adapt to their environment and avoid competition with diurnal animals. Therefore, the statement that nocturnal animals move around and look for food at night is true.
10.
When a snake sheds its skin, it leaves behind a:
Correct Answer
B. Casting
Explanation
When a snake sheds its skin, it leaves behind a casting. A casting is the complete skin that the snake sheds, including the outer layer and any scales that were attached to it. This casting is often found intact and can provide valuable information about the snake's size, shape, and patterns. It is a common misconception that snakes leave behind slime or tracks when they shed their skin, but in reality, it is the casting that remains.
11.
Limiting factors shorten life.
Correct Answer
A. True
Explanation
Limiting factors are environmental factors that restrict the growth, reproduction, or survival of organisms. These factors can include availability of resources, competition, predation, disease, and more. When organisms are limited by these factors, they may not be able to reach their full potential lifespan. Therefore, it is true that limiting factors can shorten life.
12.
Some limiting factors are:
Correct Answer(s)
A. Pollution, car litter
B. Hunters, predators
C. Poisons, diseases, injury, blindness
E. Loss of habitat
Explanation
The answer provided lists various limiting factors that can affect a population. Pollution and car litter can harm the environment and directly impact the organisms living in it. Hunters and predators can reduce the population by preying on individuals. Poisons, diseases, injury, and blindness can all lead to decreased survival rates and reproductive success. Loss of habitat can result in a lack of resources and shelter for the population. Overall, these factors can limit the growth and survival of a population.
13.
Earthworms breath through their noses.
Correct Answer
B. False
Explanation
Earthworms do not have noses and they do not breathe through them. Instead, they breathe through their skin. Their skin is thin and moist, allowing oxygen to pass through and carbon dioxide to be released. This process is called cutaneous respiration. Therefore, the statement that earthworms breathe through their noses is false.
14.
Earthworms are good in a garden because they leave nutrients.
Correct Answer
A. True
Explanation
Earthworms are beneficial in a garden because they leave behind their waste, known as castings, which are rich in nutrients. These castings act as natural fertilizers, enriching the soil and providing essential nutrients for plants to grow and thrive. Additionally, earthworms help to improve soil structure by burrowing through the soil, creating channels for air and water to penetrate, which aids in root growth and nutrient absorption. Therefore, having earthworms in a garden is indeed beneficial as they contribute to the overall health and fertility of the soil.
15.
Which animals eat earthworms? (mark all that apply)
Correct Answer(s)
A. Birds
B. Fish
C. Frogs
Explanation
Birds, fish, and frogs are all known to eat earthworms. Birds, such as robins and blackbirds, often forage for earthworms in the soil. Fish, like trout and bass, may consume earthworms that fall into the water. Frogs, including bullfrogs and green frogs, rely on earthworms as part of their diet. Cats, on the other hand, are not typically known to eat earthworms, so they are not included in the list of animals that eat earthworms.
16.
Some people eat earthworms for their protein.
Correct Answer
A. True
Explanation
Some people eat earthworms for their protein because earthworms are a good source of protein. They are rich in essential amino acids and low in fat, making them a nutritious food option. Additionally, earthworms are also a sustainable food source as they reproduce quickly and require minimal resources to cultivate. While it may not be a common practice in many cultures, there are communities and individuals who incorporate earthworms into their diets for their protein content.
17.
Which has eyes, ears, and lungs?
Correct Answer
B. Snakes
Explanation
Snakes have eyes, ears, and lungs. While earthworms do not have eyes or ears, they do have a respiratory system, but it consists of simple structures called skin pores. Snakes, on the other hand, have well-developed eyes and ears to sense their environment, and they also possess lungs to breathe air. Therefore, snakes are the correct answer to this question.
18.
Earthworms are cold-blooded animals.
Correct Answer
A. True
Explanation
Earthworms are cold-blooded animals because they do not have the ability to regulate their body temperature internally. Instead, their body temperature is dependent on the temperature of their environment. This means that as the temperature of the environment changes, so does the body temperature of the earthworm. Cold-blooded animals, like earthworms, rely on external sources of heat to warm up and increase their activity levels.
19.
An earthworm can grow up to 11 feet (3 meters).
Correct Answer
A. True
Explanation
Earthworms are known for their ability to grow to impressive lengths. While the average length of an earthworm is around 6 inches, certain species can indeed reach lengths of up to 11 feet or 3 meters. This remarkable growth is made possible by the earthworm's ability to regenerate segments of its body, allowing it to continually increase in size over time.
20.
Difference between a bear and a cub are (check all that apply)
Correct Answer(s)
A. Weighs 500 pounds
B. Long, shaggy fur
Explanation
The difference between a bear and a cub can be determined by their weight and fur. A bear typically weighs around 500 pounds, while a cub is much smaller in size. Additionally, bears have long and shaggy fur, whereas cubs may have shorter and less developed fur. The other options, "short, strong legs" and "round ears and small eyes," do not specifically differentiate between a bear and a cub.
21.
Owl pellet is called
Correct Answer
B. Puke
Explanation
The correct answer is "puke" because owl pellets are actually regurgitated food that owls cannot digest. Owls typically swallow their prey whole and later regurgitate the indigestible parts, such as bones, fur, and feathers, in the form of a compact pellet. Therefore, "puke" accurately describes the contents of an owl pellet.
22.
Another word for prey is food.
Correct Answer
A. True
Explanation
The statement "Another word for prey is food" implies that prey refers to animals that are hunted and eaten by other animals. Therefore, it can be concluded that prey is synonymous with food, making the answer true.
23.
A predator is
Correct Answer
A. An animal that eats small animals
Explanation
A predator is an animal that hunts and feeds on other smaller animals. They are usually carnivorous and have adaptations such as sharp teeth and claws to catch and kill their prey. Predators play an important role in maintaining the balance of ecosystems by controlling the population of prey species. They are often at the top of the food chain and are crucial for maintaining the overall health and diversity of an ecosystem.
24.
Floating plants, frogs, and turtles live in _______ water.
Correct Answer
B. Shallow
Explanation
Floating plants, frogs, and turtles are commonly found in shallow water. This type of water is not too deep, allowing these organisms to easily access sunlight, which is necessary for the growth of floating plants. Shallow water also provides a suitable habitat for frogs and turtles, as it offers a comfortable environment for them to live and find food. Additionally, shallow water tends to have more vegetation, such as algae, which can serve as a food source for these organisms.
25.
A pond may contain billions of tiny organisms called
Correct Answer
B. Algae
Explanation
Algae is the correct answer because it is a type of tiny organism commonly found in ponds. Algae are photosynthetic organisms that can range in size from microscopic single-celled organisms to large, multicellular forms. They play a crucial role in the ecosystem as they produce oxygen through photosynthesis and serve as a food source for other organisms in the pond. Unlike bugs and worms, which are also found in ponds, algae are specifically known for their abundance and importance in aquatic environments.
26.
A floating plant whose stems and leaves have air sacs is a bladder wort.
Correct Answer
A. True
Explanation
The statement is true because bladder wort is a type of floating plant that has air sacs in its stems and leaves. These air sacs help the plant to float on the surface of water.
27.
All living and non-living things in a place make up a ecosystem.
Correct Answer
A. True
Explanation
An ecosystem refers to a community of living organisms, along with their non-living environment, that interact and depend on each other for survival. This includes plants, animals, microorganisms, and the physical factors such as air, water, soil, and climate. Therefore, it is correct to say that all living and non-living things in a place make up an ecosystem.
28.
All living things in an ecosystem make up a community.
Correct Answer
A. True
Explanation
In an ecosystem, all living organisms, such as plants, animals, and microorganisms, interact with each other and their environment. They form a complex network of relationships and dependencies, which is known as a community. This community includes all the different species that coexist in the ecosystem and interact with each other through various ecological processes like predation, competition, and symbiosis. Therefore, the statement "All living things in an ecosystem make up a community" is true, as it accurately reflects the interconnectedness and interdependence of organisms within an ecosystem.
29.
In a forest ecosystem, a living tree interacts with the nonliving
Correct Answer
B. Soil
Explanation
In a forest ecosystem, a living tree interacts with the nonliving soil. This interaction is vital for the tree's survival and growth. The tree's roots absorb nutrients and water from the soil, providing essential resources for the tree's metabolic processes. In return, the tree's fallen leaves and decaying organic matter contribute to the fertility of the soil, enriching it with organic nutrients. This symbiotic relationship between the living tree and the nonliving soil is crucial for maintaining the overall health and balance of the forest ecosystem.
30.
Small organisms break down materials such as ____ and add them to the soil.
Correct Answer
A. Leaves
Explanation
Leaves are broken down by small organisms and added to the soil. This process is known as decomposition, where microorganisms such as bacteria and fungi break down organic matter into simpler forms. Leaves provide important nutrients like carbon, nitrogen, and phosphorus to the soil, enriching its fertility. This decomposition process is crucial for the recycling of nutrients in ecosystems and the maintenance of healthy soil for plant growth.
31.
A food chain is made up of producers and consumers.
Correct Answer
A. True
Explanation
A food chain is a linear sequence of organisms where each organism is the source of food for the next organism in the chain. Producers, such as plants, are the first level of the food chain as they produce their own food through photosynthesis. Consumers, on the other hand, are organisms that obtain their energy by consuming other organisms. Therefore, it is correct to say that a food chain is made up of producers (the primary source of energy) and consumers (organisms that consume the energy produced by the producers).
32.
Decomposers in a food chain are (check all that apply)
Correct Answer(s)
A. Fungi
C. Bacteria
Explanation
The correct answer is fungi and bacteria. Decomposers play a crucial role in breaking down dead organisms and organic matter, returning nutrients back into the ecosystem. Fungi and bacteria are both examples of decomposers as they have the ability to break down complex organic compounds into simpler forms. Fungi, such as mushrooms, obtain nutrients by breaking down dead plant and animal material. Bacteria, on the other hand, are microscopic organisms that break down organic matter through processes like decay and decomposition.
33.
Plants and animals exchange carbon dioxide and ________.
Correct Answer
B. Oxygen
Explanation
Plants and animals exchange carbon dioxide and oxygen through a process called respiration. During respiration, plants release oxygen as a byproduct, which is then used by animals for their own respiration. This exchange of gases is essential for the survival of both plants and animals, as oxygen is needed for cellular respiration to produce energy.
34.
Animals can help plants by ____________.
Correct Answer
C. Spreading seeds
Explanation
Animals can help plants by spreading seeds. When animals consume fruits or seeds, they may travel to different locations before excreting them. This process, known as seed dispersal, allows plants to colonize new areas and increase their chances of survival. By spreading seeds, animals contribute to the plant's reproduction and dispersal, aiding in their growth and expansion.
35.
A parasite depends on a __________.
Correct Answer
C. Host
Explanation
A parasite depends on a host for its survival and reproduction. The host provides the necessary resources and environment for the parasite to live and thrive. Without a host, the parasite would not be able to obtain nutrients or reproduce, making the host essential for the parasite's survival.
36.
Bacteria are helpful because they_________.
Correct Answer
B. Recycle materials
Explanation
Bacteria are helpful because they recycle materials. Bacteria play a crucial role in the decomposition and recycling of organic matter. They break down complex compounds into simpler forms, releasing nutrients back into the environment. This process is essential for nutrient cycling and maintaining a balanced ecosystem. Bacteria also aid in the breakdown of waste materials, such as dead plants and animals, helping to clean up the environment. Overall, bacteria's ability to recycle materials is beneficial for the environment and the overall functioning of ecosystems.
37.
A animal that eats only other animals is called a carnivore.
Correct Answer
A. True
Explanation
A carnivore is an animal that exclusively feeds on other animals. This means that their diet consists solely of meat. They do not consume any plant-based foods. Therefore, the statement that an animal that eats only other animals is called a carnivore is true.
38.
A animal that eats only plants is called a herbivore.
Correct Answer
A. True
Explanation
A herbivore is an animal that only consumes plants as its source of food. This means that it does not eat any other animals or animal products. Therefore, the statement that an animal that eats only plants is called a herbivore is true. Herbivores have specialized teeth and digestive systems that allow them to efficiently extract nutrients from plant matter. Some examples of herbivores include cows, deer, and rabbits.
39.
There are more producers than plant eaters.
Correct Answer
A. True
Explanation
The statement suggests that the number of producers, which refers to organisms that produce their own food through photosynthesis or chemosynthesis, is greater than the number of plant eaters, which are organisms that consume plants as their primary source of food. Therefore, the correct answer is true, indicating that there are more producers than plant eaters.
40.
A healthy habitat consists of:
Correct Answer(s)
A. Food
B. Water
C. Shelter
Explanation
A healthy habitat consists of food, water, and shelter. These three elements are essential for the survival and well-being of organisms in an ecosystem. Food provides the necessary nutrients and energy for growth and reproduction. Water is vital for hydration and various physiological processes. Shelter offers protection from harsh weather conditions and predators, providing a safe space for organisms to rest, breed, and raise their young. Without these components, the habitat would be unable to support a diverse range of species and maintain a balanced ecosystem.