Q: Answer the following question given this paragraph: Like all organisms, plants detect and respond to stimuli in their environment. Their main response is to change how they grow. Q: What do plants respond to in their environment? A:

Pick your answer from:
[i] changes in sunlight or pressure
[ii] changes in temperature or water
[iii] changes in metal or water
[iv] changes in sunlight or water
A:
[iv]