Adaptions of leaves & plants (Edexcel GCSE Biology): Flashcards
📚Flashcards
Practise the cards
15 cards from this deck
ShowHide
Practise the cards
15 cards from this deck
Products of photosynthesis
Products of photosynthesis
Glucose and oxygen
Purpose of large surface area in leaves
Purpose of large surface area in leaves
Increases light absorbed for photosynthesis
Purpose of thin leaf structure
Purpose of thin leaf structure
Reduces distance for CO2 to diffuse into cells
Function of chlorophyll
Function of chlorophyll
Absorbs sunlight & converts to chemical energy
Function of stomata
Function of stomata
Allow CO2 to enter & O2 to leave leaf
Role of guard cells
Role of guard cells
Control opening & closing of stomata
Location & purpose of palisade layer
Location & purpose of palisade layer
Top of leaf, absorbs most light for photosynthesis
Spongy mesophyll adaptation
Spongy mesophyll adaptation
Air spaces allow gases to diffuse efficiently
Function of waxy cuticle
Function of waxy cuticle
Prevents water loss, allows light to pass
Main location of stomata on leaf
Main location of stomata on leaf
Underside of leaf
Guard cells in bright light
Guard cells in bright light
Become turgid, stomata open
Guard cells in low light
Guard cells in low light
Become flaccid, stomata close
Cactus: purpose of spines/small leaves
Cactus: purpose of spines/small leaves
Reduces surface area for water loss
Cactus: thick waxy cuticle function
Cactus: thick waxy cuticle function
Reduces water loss by evaporation
Cactus: thick fleshy stem purpose
Cactus: thick fleshy stem purpose
Stores water