Multiple Choice
The figure shows plant growth responses to variation in availability of water. If this is an example of adaptive phenotypic plasticity, how would we expect the root-to-shoot ratio to be related to fitness?
A) When water is scarce, plants with high root-to-shoot ratios have higher fitness.
B) When water is scarce, plants with low root-to-shoot ratios have higher fitness.
C) In all environments, plants with high root-to-shoot ratios have higher fitness.
D) In all environments, plants with low root-to-shoot ratios have higher fitness.
Correct Answer:

Verified
Correct Answer:
Verified
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