Leaf Structure Flashcards
1
Q
What is the function and structure of a upper Epidermis?
A
- protects the leave (skin)
- waxy layer
- waterproof
2
Q
What is the function and structure of a Palisade Mesophyll Layer?
A
- have cylindrical shape
- chloroplasts can move within the cell to regions where light is greatest
- helps absorb light
3
Q
What is the function and structure of a Spongy Mesophyll Layer?
A
- looks like a sponge
- has air spaces between the laters
4
Q
What is the function and structure of a Lower Epidermis?
A
- allows gases and water vapour to diffuse in and out of the leaf.
- is a layer one cell thick
5
Q
What is the function and structure of a Guard cell?
A
- helps the rate of transpiration
- opening and closing the stomata.
6
Q
What is the function and structure of a Leaf Vein?
A
-long tube shaped
-water and salts enter leaf via the xylem
sugar made by photosynthesis passes out of the leaf via the phloem.
7
Q
What is the structure and the function of a Cuticle?
A
- prevents water loss
- barrier for water
- prevents contamination.
