leaf structure Flashcards
1
Q
what is the waxy cuticle
A
-waterproof layer that -reduces evapouration
2
Q
upper epidermis
A
-first layer of cells
one layer deep so can max sunlight
-flat surface to reduce pooling of water
3
Q
palaside
A
-upright cells to fit more in
-carry out most photosynthesis
-have lots of chloroplast
4
Q
spongey mesophyll
A
-lots of spaces between cells
5
Q
air spaces
A
-allow gases to move easily
6
Q
lower epidermis
A
-bottom lining cells
-no chloroplast
7
Q
stomata
A
-hole on the leaf surface to allow gases to enter and exit
-can be opened and closed(at night)
8
Q
guard cells
A
-surround the stomata opening and closing
-have chloroplast
-photosynthesise
