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Which growth response causes the shoots of a plant grown in the dark to grow upward? Select one: A. thigmotropism OB.phototro
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SOLUTION:

Gravitropism

Gravitropism ensures that roots grow into the soil and that shoots grow toward sunlight.

When a plant laid on its side in the dark will send shoots upward when given enough time.

wrong answers

Thigmotropism : isthe turning or bending of a plant or other organism in response to a touch stimulus.

Phototropism : is the ability of a plant, or other photosynthesizing organism, to grow directionally in response to a light source. Positive phototropism is the response of a plant toward a light source, while negative phototropism  causes growth in the opposite direction.(rate if answer is helpful)

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