Stomata

Created by: jess.may_x
Created on: 03-04-19 10:06

What is stomata?

Stomata are gaps in the lower epidermis of leaves that facilitate (make easier) the diffusion of gases, including evaporated water, in and out of the leaf

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What can guard cells do?

Open and close the stomata

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What determines the state of stomata?

The water availability

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What changes occur to the stomata when it closes?

It swells

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How do the guard cells open the stomata?

Take up lots of water

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What three things change the state of stomata?

Time of day (it closes at night because CO2 is not needed for photosynthesis at night), scarce water (closes to prevent water loss) and abundant water (opens the stomata because it can afford to lose water)

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Other cards in this set

Card 2

Front

What can guard cells do?

Back

Open and close the stomata

Card 3

Front

What determines the state of stomata?

Back

Card 4

Front

What changes occur to the stomata when it closes?

Back

Card 5

Front

How do the guard cells open the stomata?

Back

View more cards

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Stomata