Question

7. What is the stimulus?
(a) Phototropism (b) Geotropism (c) Chemotropism​

Answer 1

Answer:

The stimulus for phototropism is light. The stimulus for geotropism is earth. The stimulus for chemotropism is chemical compounds. Light, earth, and chemicals are all stimuli for plant growth.

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Answer 2

stimulus for phototropism is light,

stimulus for geotropism is earth,

stimulus for chemotropism is chemical compounds