The experiments with Oxyria digyna and Solidago virgaurea provide evidence that:
A)natural selection does not always result in adaptation.
B)these species lack developmental plasticity.
C)clines can sometimes be ignored.
D)coevolution had occurred.
E)ecotypes differ physiologically.

Question

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The experiments with Oxyria digyna and Solidago virgaurea demonstrated that ecotypes of these species differ physiologically, indicating local adaptation to their environments.

The Experiments with Oxyria Digyna and Solidago Virgaurea Provide Evidence