Forelimbs of mammals have a common basic structure or pattern but are different in their usage/function in different animals. They can be called

Homologous organs

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Analogous organs

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Vestigial organs

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Rudimentary organs

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Solution

The correct option is A Homologous organs
Homology indicates common ancestry. Homologous organs have similar structure but different functions. Example: Forelimbs of bat, cheetah, whales and human have similar structure but different functions.
Analogy indicates diverse ancestry. Analogous organs have different structure but perform similar functions. Example: Wings of butterfly and birds are different in structure but perform similar function.

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Similar questions

Q. Study following statements and choose the correct alternative.
(P) Those organs which have the same internal structure but different functions, are called homologous organs.
(Q) Organs which have different basic design but have similar appearance and carry out similar functions are called analogous organs.
(R) The impressions of dead plants or animals that lived in the past are known fossils.

Q. The organs which perform similar functions but have different basic structure are called :
(a) asymmetric organs
(b) analogous organs
(c) homologous organs
(d) homophonic organs

Q. When organs have similar functions, but different structure and organisation, they are called

When organs have similar functions, but different structure and origin, they are called

The organs which perform different functions but have the same basic structure are known as :
(a) homologous organs
(b) analogous organs
(c) homolytic organs
(d) analytic organs

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