Stomata (Edexcel GCSE Biology): Flashcards
📚Flashcards
Practise the cards
15 cards from this deck
ShowHide
Practise the cards
15 cards from this deck
Definition of stomata
Definition of stomata
Tiny pores on plant leaves
Main location of stomata
Main location of stomata
Underside of plant leaves
Two main functions of stomata
Two main functions of stomata
Gas exchange and water loss regulation
Gas that enters leaf through stomata
Gas that enters leaf through stomata
Carbon dioxide ()
Gas released through stomata
Gas released through stomata
Oxygen ()
What's released during transpiration
What's released during transpiration
Water vapour
Cells that surround each stoma
Cells that surround each stoma
Two guard cells
Shape of guard cells
Shape of guard cells
Sausage-shaped
What guard cells contain
What guard cells contain
Chloroplasts
Guard cell state in bright light
Guard cell state in bright light
Turgid (swollen), stomata open
Guard cell state in low light/water scarcity
Guard cell state in low light/water scarcity
Flaccid, stomata close
When stomata are typically open
When stomata are typically open
Daytime (for photosynthesis)
Why stomata close at night
Why stomata close at night
To conserve water (no photosynthesis)
What transpiration creates
What transpiration creates
Suction force pulling water up through xylem
Stomata adaptation in dry environments
Stomata adaptation in dry environments
Fewer or smaller stomata