Plant's Organaisation Flashcards
1
Q
Why is Leaf an Organ?
A
There are many tissues inside the leaf that work together to perform photosynthesis.
2
Q
How is the upper epidermis adapted for its function?
A
- Single layer of transport cells allow light to pass through
- Cells secrete a waxy substance that makes leaves waterproof
3
Q
How is palisade mesophyll adapted for its function?
A
Tightly packed cells with lots of chloroplasts to absorb as much light as possible for photosynthesis
4
Q
How is the spongy mesophyll adapted for its function?
A
Air spaces increase the surface area and allow gases to diffuse quickly.
5
Q
What is the function of the guard cells?
A
Control the opening and closing of the stomata.
6
Q
What is the function of the xylem
A
Transports water and mineral ions from the roots of the rest of the plant.
