BRAINCAKE

Stomatal Control

AQA A-level BiologyPlant ResponsesLesson 9 of 19

Temperature and water availability are major abiotic factors for plants. Stomata need to be closed to conserve water but opened to cool the plant by the evaporation of water.

Diagram

Sign in free to see the rest of this lesson, the R.E.C.I.P.E. recall steps and the quiz

BrainCake is free. Make an account in seconds and pick up where this page stops.

Key terms in this lesson

abscisic acid
A plant hormone that maintains dormancy and causes stomatal closure in response to water stress.

More in Plant Responses

All 19 lessons in Plant Responses · All AQA A-level Biology topics