Chapter 3 Ecosystem Quiz 2

The following are examples of decomposers:

• Earthworms

• Vegetables

• Mushrooms

• Mold

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Which organisms give energy to the owl in the food web?

• Snake

• Frog

• Racoon

• Squirrel

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This breaks down and feeds on the remains of other organisms.

• Decomposer

• Producer

• Consumer

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Animals that are hunted and eaten for food.

• Producer

• Predator

• Prey

An animal that hunts and eats other animals for energy.

• Producer

• Predator

• Prey

Interacting food chains found in an ecosystem.

• Food chain

• Food web

• Predator

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A biologists notices a larger population of deer than the habitat can support. Which will likely happen to the population of deer?

• The deer will become stronger and healthier.

• The grass population in the deer habitat will decrease.

• Other animal populations, like rabbits, will increase.

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Robins normally lay eggs in evergreen trees. If many evergreen trees are cut down when land is cleared for houses, what will happen to the robin population in the area?

• The population will increase.

• The population will decrease.

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Mushrooms are helping to break down the remains of a rotting log in the forest. How does this benefit other plants in the area?

• Returns nutrients to the soil.

• Decreases the population of herbivores.

• Makes space for new animals to live.

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Which of the following animal is an herbivore (only gets energy from eating plants)?

• Mouse

• Snake

• Grasshopper

• Racoon