If a species is absent from a particular region, which are the reasonable explanations for its absence? Check all that apply.

A. It evolved elsewhere and never dispersed to the region in question.
B. It was once found in the region in question, but was eradicated by humans.
C. It was once found in the region in question, but became extinct there due to climactic changes.
D. It was once found in the region in question, but migrated to other regions


Ans: A, B, C, D.
A. It evolved elsewhere and never dispersed to the region in question.
B. It was once found in the region in question, but was eradicated by humans.
C. It was once found in the region in question, but became extinct there due to climactic changes.
D. It was once found in the region in question, but migrated to other regions

Biology & Microbiology

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