A) Allopatric
B) Sympatric
C) Biospecies
D) Sibling species
Correct Answer: A
Solution :
A species population having discontinuous distribution due to geographical barrier is called allopatric species. Addtion of certain more variations in their gene pool leads to reproductive isolation. Sympatric: Species originating in or occupying the same geographical area. Here speciation occurs due to polyploidy or mutation. Biospecies: (Biological species) are sexually interbreeding group of individuals and reproductively isolated from other species. They do not exchange genetic material from other species (or absence of cross- fertilization). Sibling species: Two distinct species which are morphologically identical but reproductively isolated i. e., distinct from each other due to absence of interbreeding.
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