Survival and response

Question 1

process of phototropism

Answer 1

positive
-Shoot tips produce IAA which therefore grows upwards towards light
-IAA will then diffuse to the shaded side , which will cause the shaded side to elongate and bend towards to the light
negative
-IAA diffuses down due to gravity
-Moves to lower side of roots so upper side elongates and roots bend down which anchors

Question 2

Difference between taxis and kinesis

Answer 2

-Taxes are directional and continuous
-Kinesis are non directional and random