Ecosystem Restoration Chapter 1 Review

the use of evidence to say why one idea is the best

• argument

• claim

• evidence

• conclusion

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a proposed answer to a question

• argument

• claim

• evidence

• conclusion

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all the living and nonliving things in an area

• environment

• habitat

• country

• region

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According to the Healthy Ecosystem Model, what happens to the grass molecules once they are eaten by the zebra?

• The grass molecules turn into zebra body molecules.

• The grass molecules are released as energy so the zebra can move and grow.

• The grass molecules turn into zebra body molecules or are released as energy so the zebra can move and grow.

• There is no change to the grass molecules.

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According to the Healthy Ecosystem Model, what happens to the zebra molecules once they are eaten by the cheetah?

• The zebra molecules turn into chetah body molecules.

• The zebra molecules are released as energy so the chetah can move and grow.

• The zebra molecules turn into cheetah body molecules or are released as energy so the cheetah can move and grow.

• There is no change to the zebra molecules.

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After a zebra eats grass, what happens to the grass molecules inside the zebra (use your ideas from the previous unit on chemical reactions) ?

• There is a chemical reaction taking place in which the the grass molecules are turning into zebra body molecules.

• There is not a chemical reaction taking place.

• The zebra is made of grass molecules.

• There is a chemical reaction taking place in which the the zebra molecules are turning into grass molecules.

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After the chetah eats a zebra what happens to the zebra molecules inside the cheetah (use your ideas from the previous unit on chemical reactions) ?

• There is a chemical reaction taking place in which the the cheetah molecules body are turning into zebra molecules.

• There is not a chemical reaction taking place.

• The zebra is made of grass molecules.

• There is a chemical reaction taking place in which the the zebra body molecules are turning into cheetah body molecules.

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a diagram that shows what eats what in an ecosystem

• ecosystem

• food web

• environment

• organism

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Food molecules in an ecosystem can always be traced back to _________.

• plants

• matter

• predators

• organisms

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What is the source of all energy?

• the sun

• plants

• producers

• molecules

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