Leaf structure Flashcards
(9 cards)
What is the function of the Upper epidermis
protects the leaf from water loss,
acts as a barrier against pathogens,
allows sunlight to penetrate for photosynthesis
What is the function of the lower epidermis
facilitate gas exchange, while also protecting the plant
What is the function of the palisade mesophyll cells
Photosynthesis
What is the function of the spongy mesophyll cells
Facilitate gas exchange
What is the function of the guard cells
Regulate gas exchange and water balance
Controls the opening and closing of stomata
What is the function of the stomata
Gas exchange
Water regulation in plants
Function of the xylem
Transport water and nutrients from the roots to the rest of the plant
Function of the Phloem
Transport food, primarily sugars (like sucrose) and amino acids to the rest of the plant
What is the vascular bundle
A part of the transport system which contains xylem and phloem