Leaves structure and Function Flashcards
1
Q
What is the gas exchange in leaves?
A
CO2 in and O2 out
2
Q
What is the cuticle?
A
Waxy layer that covers upper surface and prevents water loss
3
Q
What are the veins of a plant?
A
Transports nutrients, food, and water, made of xylem and phloem
4
Q
What is mesophyll?
A
Contains cells that perform photosynthesis because they contain chloroplasts
5
Q
What are guard cells?
A
Cells that open and close the stoma
6
Q
What are stomata?
A
Openings in the leafs surface. When they open they do gas exchange and transpiration.
7
Q
What is transpiration?
A
Allows excess H2O out of leaf
8
Q
What is the point of having stomata?
A
Allow gas exchange for photosynthesis
9
Q
Why is transpiration beneficial?
A
Prevents enzyme destruction and wilting by cooling the leaves while exposed to sunlight
