Stomata (Edexcel GCSE Biology Combined Science): Flashcards
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10 cards from this deck
Stomata definition
Stomata definition
Tiny pores on plant leaves
Stomata location
Stomata location
Mainly on underside of leaves
Stomata functions
Stomata functions
Gas exchange & water loss control
Gas entering stomata
Gas entering stomata
CO₂
Gases exiting stomata
Gases exiting stomata
O₂ & water vapour
Cells surrounding stomata
Cells surrounding stomata
Two guard cells
Guard cells in bright light
Guard cells in bright light
Turgid, stomata open
Guard cells when water scarce
Guard cells when water scarce
Flaccid, stomata close
Stomata at night
Stomata at night
Close to conserve water
Stomata in dry environments
Stomata in dry environments
Fewer stomata to reduce water loss