Plant tissue, organs and systems Flashcards
1
Q
What is top and bottom and the bottom of the leaf covered with?
A
With a layer of very thin cells called epidermal cells.
2
Q
What does the epidermis protect?
A
It protects the surface of the leaf.
3
Q
The upper epidermis is t…
A
ransparent and it allows light to pass through to photosynthetic cells below.
4
Q
What is the upper epidermis covered with?
A
It is covered with a thin layer called the waxy cuticle.
5
Q
What are the tiny pores in the lower epidermis called?
A
It is called stomata.
6
Q
Function of stomata
A
Stomata allow carbon dioxide to enter the leaf and oxygen to leave.
7
Q
What is the spongy mesophyll full of?
A
The spongy mesophyll is full of air spaces.