A) Both (A) and (R) are true but (R) does not explain
B) Both (A) and (R) are not true
C) Only (A) is true but (R) is not erne
D) Both (A) and (R) are correct and (R) is a true explanation to
Correct Answer: D
Solution :
Ernst Mayr proposed the biological species concept, which defines species as groups a actually or potentially inter-breeding natural populatons which are reproductively isolated from other such groups. So, both (A) and (R) are correct and (R) is a true explanation to .
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