asked 42.4k views
3 votes
Which of the following is neccesary for plants to exhibit phototropism

a)gravity
b)touch
c)auxin
d)dormancy

asked
User SteBra
by
7.9k points

2 Answers

1 vote

c auxin

sorry if in wrong im not 100% sure


answered
User Noncom
by
8.3k points
4 votes
100% auxin... The cells on the plant that are farthest from the light have a chemical called auxin that reacts when phototropism occurs.
answered
User Ionel Bratianu
by
8.1k points
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