Question

Give reasons

Hands of human , bird, lizard, and frog are known as homologous organs ? Why ?​

Answer 1

Answer:

Forelimbs of frogs and lizards are the example of homologous organs. Homologous structures are the anatomically similar structures that have a common ancestor. Even if they are superficially different, they are developmentally related. Homologous structures do not share the same function.

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Answer 2

Answer:

The homologous organs are similar in form but perform different functions in different organisms.

The bone structure observed in wings of birds, forelimbs of lizard and frog is similar, but perform different functions. They belong to the same group of animals, the vertebrates and therefore exhibit homology.

Homology in animals - Organs such as bat's wing, wings of birds, seal's flipper, forelimb of a horse, and human arm have a common underlying anatomy that was present in their last common ancestors; therefore their forelimbs are homologous organs.