lesson 7 Roots Flashcards
1
Q
what are the three main jobs of roots
A
to absorb nutrients and water, to hold the plant in place like an anchor
2
Q
why are root hairs important
A
root hairs do most of the work of absorbing water
3
Q
how do roots grow
A
they add on to the tip of the root.
4
Q
what is the root cap
A
the strongest part of the root (the tip)
5
Q
what are roots allways looking for
A
water and nutrients
6
Q
what is geotropism
A
gravitropism, meaning turning in the direction of gravity
7
Q
tell me about rooting a plant
A
take a healthy stem leaf or branch of a plant and put it in the ground to grow into a new plant of the same kind
