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Which of the following is neccesary for plants to exhibit phototropism a)gravity b)touch c)auxin d)dormancy
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Which of the following is neccesary for plants to exhibit phototropism

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

User SteBra
by
5.6k points

2 Answers

1 vote

c auxin

sorry if in wrong im not 100% sure


User Noncom
by
5.5k 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.
User Ionel Bratianu
by
5.8k points
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