Biology, 08.12.2019 10:31, Lugo7006

How do plant roots "know" to grow downward? this is a plant response called
a) gravitropism.
b) hydrotropism.
c) phototropism.
d) thigmotropism.

Answers: 2

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How do plant roots "know" to grow downward? this is a plant response called
a) gravitropism....