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Card 16

Front

Why is maintaining biodiversity important?

Back

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Card 17

Front

Why is the rate of exinction increasing?

Back

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Card 18

Front

What is classification?

Back

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Card 19

Front

Why is classfication useful?

Back

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Card 20

Front

What resources do organisms need?

Back

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Card 21

Front

What causes exitinction?

Back

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Card 22

Front

Where does all of the energy in a food web come from?

Back

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Card 23

Front

How is energy transferred in a food web?

Back

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Card 24

Front

Why and how is energy lost at each stage of the food web?

Back

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Card 25

Front

Why is there usually no more than 5 stages of a food web?

Back

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