1.

Explain with the help of an example the type of evolution homology is based on ?

Answer»

Homology is based on divergent evolution. These have similar anatomical structure but perform different function. 

Example - Thorn of Bougainvillea and tendril of cucurbita/Forelimbs of human and horse. (any other appropriate example).

Detailed Answer:

Homology is based on divergent evolution. It indicates the common ancestry. The homologous organs, though perform different functions but have the same fundamental structure. During development these organs follow the same basic plan of organization but however in adult condition they get modified to perform different function in response to adaptation according to different environmental conditions. e.g. the forelimbs of man, whole and bat. They have same structural plan but have different functions.



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