Answer:
A) bat wing and human hand
Explanation:
Homology in biology is existence of the shared ancestry between the pair of structures or the genes present in the different taxa.
The most common example of the homologous structures is forelimbs of the vertebrates, where wings of the bats, arms of the primates, front flippers of the whales and forelegs of the dogs and the horses are all derived from same ancestral tetrapod structure.
Homologous structures can be explained by evolutionary biology which states that these are adapted to the different purposes as result of the descent with the modification from common ancestor.
The best example of homologous structures is : ( A ) Batwing and Human hand
Homologous structures are structures which are similar to each other and are found in related organisms ( i.e. animals with a common ancestor ). Homologous structures although been similar are different in their physical composition and are often used for different purposes by the organisms.
The human hand is used to lift things and also aids in the movement of humans, while the bat wing is similar to the human hand it performs a different function because it is aids the bat in flying as well.
Hence we can conclude that the best example of homologous structures are Batwing and Human hand.
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