Parts of the leaf and their functions Flashcards
1
Q
Cuticle
A
- waterproofs leaves, reducing water loss by evaporation
2
Q
Stomata
A
- pores in the leaf epidermis that allow gas exchange to take place
3
Q
Guard Cells
A
- cells of the lower epidermis that control the opening and closing of the stomata
4
Q
Palisade layer
A
- made up of palisade cells packed full of chloroplasts for photosynthesis
- most photosynthesis takes place here
5
Q
Spongy mesophyll
A
- contains air spaces to allow the exchange of gases
6
Q
Phloem
A
- vascular tissue that allows the transport of materials to and from the leaf
7
Q
Xylem
A
- vascular tissue that allows the transport of materials to and from the leaf
8
Q
Upper Epidermis
A
- thin, transparent layer of cells
- produce the waxy cuticle and allows light to pass to the layers below
