More cards in this set

Card 16

Front

Spiracles are pores on the....

Back

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Card 17

Front

How do single celled organisms exchange gases?

Back

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Card 18

Front

Why do single celled organisms not require a specialized gas exchange system?

Back

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Card 19

Front

How do insects control water loss?

Back

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Card 20

Front

Guard cells become turgid when...

Back

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Card 21

Front

Guard cells become flaccid when...

Back

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Card 22

Front

When do guard cells open the stomatal pore?

Back

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