Q. 45.0( 3 Votes )
Describe the phenomenon of homology.
The homologous organs are the two organs which have the same origin but perform a different function and the phenomenon is known as homology.
Characteristics of Homologous organs are given below:
1. Similar in basic structure and have the same developmental origin.
2. Have different functions in different organisms.
3. Their similarity is due to common ancestry.
Examples of homologous organs are the arm of a human, the wing of a bird or a bat, the leg of a dog and the flipper of a dolphin or whale. They all have the same origin but perform a different function.
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“Evolution and classification or organisms are interlinked”. Give reasons to justify this statement.Xam idea - Science