Multiple Choice
Which of the following statements about sticklebacks is true?
A) The differences between marine and freshwater sticklebacks are mainly induced by environmental conditions.
B) The differences between marine and freshwater sticklebacks arise due to changes in the expression of a transcription factor.
C) These species illustrate parallel phenotypic evolution.
D) Both a and b
E) Both b and c
Correct Answer:
Verified
Correct Answer:
Verified
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