Adaptions of leaves & plants (Edexcel GCSE Biology Combined Science): Flashcards
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Process producing glucose & using light energy
Process producing glucose & using light energy
Photosynthesis
Purpose of large leaf surface area
Purpose of large leaf surface area
Increases light absorbed for photosynthesis
Function of chlorophyll
Function of chlorophyll
Absorbs sunlight, converts to chemical energy
Stomata definition
Stomata definition
Small pores on leaf surface for gas exchange
What controls stomata opening & closing
What controls stomata opening & closing
Guard cells
Guard cell state when stomata open (bright light)
Guard cell state when stomata open (bright light)
Turgid (absorbed water)
Purpose of thin leaf structure
Purpose of thin leaf structure
Reduces distance for to diffuse into cells
Purpose of air spaces in spongy mesophyll
Purpose of air spaces in spongy mesophyll
Allows gases to diffuse efficiently
Function of waxy cuticle
Function of waxy cuticle
Prevents water loss, allows light through
Why cacti have small leaves/spines
Why cacti have small leaves/spines
Reduces surface area for water loss