epidermis and mesophyll Flashcards
1
Q
function of upper epidermis
A
lets light through to palisade layer
2
Q
contain large amounts of chlorophyll (adaptation of up)
A
to carry out photosynthesis
3
Q
long shape (adaptation of up)
A
maximises light absorption
4
Q
many air spaces ( adaptation of spongy mesophyll)
A
maximises gas circulation
4
Q
stomata
A
allows movement of gases in and out the leaf
- made out of 2 guard cells
4
Q
cells turgid
A
stoma opens
5
Q
cells flaccid
A
stoma closes
