A) adaptive radiation
B) adaptation
C) convergent evolution
D) microevolution
Correct Answer: A
Solution :
When a group of organisms shares a homologous structure, which is specialized to perform a variety of different functions, it shows adaptive radiation, which represents evolution of new forms in several directions from the common ancestral type (divergence). H S Osborn (1898) developed the concept of adaptive radiation. Adaptation is a characteristic of an organism that heirs it to survive and reproduced in a particular environment, also, the process of acquiring such characteristic, Convergent evolution is the relationship between structures of different groups of animals due to their similar functions. Microevolution is below the level of species or evolution within a species, which is caused by gene mutation and accumulation of variation.
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