A) homology
B) analogy
C) atavism
D) connecting link
Correct Answer: B
Solution :
Homologous structures are those which have the same embryonic origin and basic structure through they may or may not perform the same function. On the other hand, analogous organ is perform the same function but differ in embryonic origin and basic structure, eg, wings of an insect and a bat. When basically dissimilar parts become adapted for the same function, then the term convergence is applied to them, eg, wins an insect and a bird. But when the same basic organ becomes adapted by specialization to different functions, then the term divergence is applied, eg, forelimbs of vertebrates.
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