Question

explai homologous organ and analogous organ
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Answer 1

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Homologous organs are those organs which have same origin & anatomical structure but performs different functions. This shows that the organisms are evolved from a common ancestor but their structure starts performing different functions due to different surroundings. Example - Forelimbs of cheetah, Forelimbs of humans and wings of bats and wings of birds.

Analogous organs are those organs which have different origin & anatomical structure but perform same functions. This shows that the organisms does not have a common ancestor and have different origin. For instance, birds, insects and bats have evolved from an ancient common ancestor without wings. Example - Eyes of octopus and eyes of mammals, Flippers of penguins and flippers of dolphin.

Answer 2

Hey mate ,

Homologous organs are those who have same internal structure but are used for different purposes .

For example , limb of a human and lizard

Analogous organs are those who have same purpose but different internal structure

For example , Wing of a bat and bird

Hope you find it helpful!!

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