AP BIOLOGY

Detailed explanation-1: -Adaptive radiation is a concept in evolutionary biology where the number of species with a common ancestor increase rapidly however they are characterised by great morphological and ecological variations. So, the correct answer is ‘Divergent evolution’.

Detailed explanation-2: -Speciation occurs when a group within a species separates from other members of its species and develops its own unique characteristics. The demands of a different environment or the characteristics of the members of the new group will differentiate the new species from their ancestors.

Detailed explanation-3: -Divergent Evolution: Divergent Evolution is the type of evolution where two or more new species comes out from a common ancestor. Convergent Evolution: Convergent Evolution is the type of evolution where two or more different species show similar type of traits while living in different ecosystems.

Detailed explanation-4: -Speciation is the process by which new species form. It occurs when groups in a species become reproductively isolated and diverge. In allopatric speciation, groups from an ancestral population evolve into separate species due to a period of geographical separation.