Plant Tissues, Organs & Systems (AQA GCSE Biology Combined Science): Flashcards
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Practise the cards
10 cards from this deck
Main function of leaf organ
Main function of leaf organ
Carries out photosynthesis to make food
Function of waxy cuticle
Function of waxy cuticle
Stops water escaping from leaf surface
What are stomata
What are stomata
Tiny openings in lower epidermis
Function of guard cells
Function of guard cells
Open & close stomata to control gas exchange
Key features of palisade mesophyll
Key features of palisade mesophyll
Tightly packed, many chloroplasts, top layer
Key features of spongy mesophyll
Key features of spongy mesophyll
Loosely arranged, air spaces, fewer chloroplasts
Function of xylem
Function of xylem
Transports water & minerals up from roots
Function of phloem
Function of phloem
Transports sugars from leaf to other parts
Why leaves are thin & flat
Why leaves are thin & flat
Max light absorption & short gas diffusion distance
Function of mesophyll tissue
Function of mesophyll tissue
Main tissue where photosynthesis happens