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il63 [147K]
3 years ago
15

When a seed germinates, its root grows downward in response to gravity. This is called _______. A. thigmotropism B. negative tro

pism C. gravitropism D. phototropism
Biology
1 answer:
Alexeev081 [22]3 years ago
5 0
Gravitropism is your answer. 
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