Ecology Unit Test

Where does all energy for living things on Earth originate?

• the sun

• the wind

• Water

Give an example of a food chain.

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How are nonliving (abiotic) factors important to an ecosystem?

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Draw a model of living and nonliving things interacting.

Which of these is a biotic factor?

• Temperature

• Snake

• Rocks

• Wind

Which of these is an abiotic factor?

• Flowers

• Dogs

• Trees

• Oxygen

What is the difference between a food web and a food chain?

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Draw an example of a food chain.

Should humans help control the growth or decline of animal populations?

Why or why not?

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Why might some animals grow out of control while others stay in balance or go extinct?

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