Biology, 04.12.2019 07:31, Arealbot

The first part of the plant to emerge from a sprouting seed is the root. if the seed is planted upside down, the root will first grow upward. then it will turn and grow downward. what kind of response is this?
question 4 options:

gravitropism

hydrotropism

phototropism

thigmotropism

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The first part of the plant to emerge from a sprouting seed is the root. if the seed is planted upsi...