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The first part of the plant to emerge from a sprouting seed is the root. If the see is planted upside down, the root will first grow upward. Then it will turn and grow downward. What kind of response is this?


A.Gravitropism


B . Hydrotropism


C. Phototropism


D. Thigmotropism

2 Answers

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Answer: Gravitropism (A)
User Alex Petuschak
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the answer would be C. Phototropism.
User Ashraf Abrahams
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