9.3 Flashcards
1
Q
regions of plants which contain undifferentiated cells that continuously divide and grow
A
meristems
2
Q
found in shoots and roots and are responsible for leaf development and primary growth
A
apical meristems
3
Q
found at the cambium and responsible for secondary growth and thickening
A
lateral meristem
4
Q
plant hormone that controls growth
A
auxin
5
Q
directional growth guided by light
A
phototropism
6
Q
how does germination occur?
A
water re-hydrates the seed, oxygen starts cell respiration and warmth provides optimal temp. for enzymes.