Question

What is difference between homologous and analogous

Answer 1

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Homologous Organs —

➡️They are organs which have similar origin, similar development and similar internal structure. But, have different forms and functions.

For example :-

➡️The Forelimbs of Humans and the wings of bird look different externally. But, their skeletal structure is similar. It means that their origin is similar. But, functions are different. Wings of birds helps in flight, whereas human forearm helps in various activities.

Anologous Organs –

➡️They are organs which have similar appearance and function but are quite different in their origin, development and anatomy.

For example :-

➡️The wing of an insect and a bird have completely different basic structure, but they perform the same function of flying.

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Answer 2

Homologous_

★Homologous organs may be defined as the organs of different animals which have similar basic structure but different functions.

★For example, the flippers of a whale, the forelimbs of a frog and man have the same basic structures but they perform different functions, hence these are called homologous organs.

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Analogous_

★Analogous organs are the organs of different animals which have different basic structure but perform same function.

★For example, the wing of a bird and the wing of a butterfly have different structures but they perform similar function so they are analogous organs.

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