Living Things Depend On One Another (Chapter 5)
Questions and Answers
- 1.
Which of the following is NOT a decomposer?
- A.
Chipmunk
- B.
Earthworm
- C.
Bacteria
- D.
Mushroom
Correct Answer
A. ChipmunkExplanation
A decomposer is an organism that breaks down dead organic matter and recycles nutrients back into the ecosystem. Chipmunks are not decomposers because they do not play a role in the decomposition process. Earthworms, bacteria, and mushrooms, on the other hand, are decomposers as they help in the breakdown of organic material.Rate this question:
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- 2.
An animal that eats only fruits, vegetables, grasses and leaves is a(n) ____________.
- A.
Carnivore
- B.
Omnivore
- C.
Herbivore
Correct Answer
C. HerbivoreExplanation
An animal that eats only fruits, vegetables, grasses, and leaves is called a herbivore. Herbivores have adapted to consume plant-based foods as their primary source of nutrition. They lack the specialized teeth and digestive systems needed to effectively process meat. Instead, they have evolved to efficiently break down and extract nutrients from plant matter. This dietary specialization allows herbivores to thrive in environments where plants are abundant, playing a crucial role in the ecosystem by helping to disperse seeds and maintain plant populations.Rate this question:
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- 3.
Which of the following animals would NOT be considered an omnivore?
- A.
Chicken
- B.
Grizzly bear
- C.
Horse
- D.
Raccoon
Correct Answer
C. HorseExplanation
The horse would NOT be considered an omnivore because it is a herbivore, meaning it primarily eats plants. Unlike omnivores, which have a diet that includes both plants and animals, horses rely solely on vegetation for their nutritional needs.Rate this question:
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- 4.
Grass, trees and bushes are all ____________.
- A.
Consumers
- B.
Producers
- C.
Decomposers
Correct Answer
B. ProducersExplanation
Grass, trees, and bushes are all producers because they are capable of photosynthesis, which allows them to convert sunlight into energy. They produce their own food through this process and are at the beginning of the food chain, providing energy and nutrients for other organisms. Consumers, on the other hand, obtain energy by consuming other organisms, while decomposers break down dead organic matter.Rate this question:
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- 5.
If a new plant were added to a food web, the following change could result:
- A.
Nothing would happen
- B.
The new plant could crowd out other plants
- C.
The new plant would cause new animals to be added to the food web
Correct Answer
B. The new plant could crowd out other plantsExplanation
When a new plant is added to a food web, it has the potential to crowd out other plants. This means that the new plant could grow and spread rapidly, taking up space and resources that were previously available to other plants. As a result, the other plants may struggle to survive and reproduce, leading to a decrease in their population. This change in plant dynamics can have cascading effects on the rest of the food web, impacting the animals that depend on those plants for food and habitat.Rate this question:
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- 6.
If all of the producers on earth died, _____________________________
- A.
All of the other living things would eventually die
- B.
Living things would have to find new things to eat
- C.
Everything would become a carnivore
Correct Answer
A. All of the other living things would eventually dieExplanation
If all of the producers on earth died, all of the other living things would eventually die. Producers, such as plants, are the primary source of food and energy in most ecosystems. They convert sunlight into usable energy through photosynthesis, and this energy is then passed on to other organisms in the food chain. Without producers, there would be no source of energy for other living things, leading to their eventual death.Rate this question:
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- 7.
What is one way prey can hide from predators?
- A.
They can run
- B.
They can play dead
- C.
They can change color
Correct Answer
C. They can change colorExplanation
Prey animals have evolved various mechanisms to avoid being detected by predators, and one effective strategy is to change their color. This allows them to blend in with their surroundings, making it difficult for predators to spot them. By changing their color, prey can camouflage themselves and become virtually invisible, increasing their chances of survival. This adaptation is particularly useful in environments where the background color or patterns change frequently, such as forests or coral reefs. Changing color is an effective defense mechanism that helps prey animals to escape the attention of predators and increase their chances of survival.Rate this question:
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- 8.
An animal that hunts another animal for food is a(n) _______________.
- A.
Prey
- B.
Predator
- C.
Consumer
Correct Answer
B. PredatorExplanation
A predator is an animal that hunts another animal for food. They are typically higher in the food chain and have adaptations that allow them to capture and kill their prey. Predators play an important role in maintaining the balance of ecosystems by controlling the population of their prey species.Rate this question:
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- 9.
An animal that is hunted by another animal is a(n) ______________.
- A.
Prey
- B.
Predator
- C.
Decomposer
- D.
Producer
Correct Answer
A. PreyExplanation
An animal that is hunted by another animal is referred to as prey. Prey animals are typically the target of predators, which hunt and consume them for sustenance. This relationship forms the basis of the predator-prey dynamic in ecosystems, where the predator population relies on the availability of prey to survive.Rate this question:
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- 10.
A living thing that gets energy by eating other living things as food is a(n) ________________.
- A.
Producer
- B.
Consumer
- C.
Decomposer
Correct Answer
B. ConsumerExplanation
A consumer is a living thing that obtains energy by consuming other living things as food. Consumers cannot produce their own energy and rely on other organisms for their survival. They are part of the food chain and play a vital role in transferring energy from one trophic level to another. Examples of consumers include animals, fungi, and some bacteria.Rate this question:
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- 11.
A living thing that makes its own food is a(n) _______________.
- A.
Producer
- B.
Consumer
- C.
Decomposer
Correct Answer
A. ProducerExplanation
A living thing that makes its own food is called a producer. Producers are organisms that have the ability to convert sunlight into energy through a process called photosynthesis. They use this energy to produce their own food, usually in the form of carbohydrates. Examples of producers include plants, algae, and some bacteria. They are essential for the food chain as they provide energy for other organisms, such as consumers, through the consumption of their organic matter.Rate this question:
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- 12.
A consumer that eats only plants is a(n) ______________.
- A.
Carnivore
- B.
Herbivore
- C.
Omnivore
Correct Answer
B. HerbivoreExplanation
A consumer that eats only plants is called a herbivore. Herbivores obtain their energy and nutrients by consuming plant material. They do not consume meat or other animal products. This dietary preference distinguishes them from carnivores, which eat only meat, and omnivores, which consume both plants and animals.Rate this question:
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- 13.
A consumer that gets its food by eating other animals is a(n) _____________.
- A.
Carnivore
- B.
Hebivore
- C.
Omnivore
Correct Answer
A. CarnivoreExplanation
A consumer that gets its food by eating other animals is known as a carnivore. Carnivores primarily feed on the flesh of other animals and have adaptations such as sharp teeth and claws to help them catch and kill their prey. They have a specialized digestive system that is designed to process meat efficiently. Unlike herbivores, which primarily eat plants, and omnivores, which eat both plants and animals, carnivores rely solely on animal flesh as their main source of nutrition.Rate this question:
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- 14.
A consumer that gets its food by eating plants and other animals is a(n) ______________.
- A.
Carnivore
- B.
Herbivore
- C.
Omnivore
Correct Answer
C. OmnivoreExplanation
An omnivore is a consumer that obtains its food by eating both plants and other animals. This means that it has a varied diet and can consume a wide range of food sources. Unlike a carnivore, which only eats other animals, or a herbivore, which only eats plants, an omnivore has the ability to digest and utilize nutrients from both plant and animal sources. Therefore, an omnivore is the correct answer in this context.Rate this question:
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- 15.
A living thing that breaks down dead things for food is a(n) ______________.
- A.
Producer
- B.
Consumer
- C.
Decomposer
Correct Answer
C. DecomposerExplanation
A decomposer is a living thing that breaks down dead things for food. Decomposers play a crucial role in the ecosystem by breaking down organic matter, such as dead plants and animals, into simpler substances. This process releases nutrients back into the environment, allowing them to be reused by other organisms. Decomposers, such as bacteria, fungi, and worms, are essential for the recycling of nutrients and the overall balance of the ecosystem.Rate this question:
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- 16.
A _______________ shows the path from one living thing to another.
- A.
Food chain
- B.
Energy pyramid
- C.
Food web
Correct Answer
C. Food webExplanation
A food web is a system that shows the interconnected relationships between different living organisms in an ecosystem, specifically the transfer of energy and nutrients from one organism to another. It represents the complex network of feeding relationships and interactions among various species, including producers, consumers, and decomposers. Unlike a food chain, which only shows a linear sequence of organisms, a food web illustrates the multiple pathways and connections between different organisms, highlighting the complexity and interdependence of the ecosystem.Rate this question:
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