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  • What are homologous structures ? Give an example. Is it necessary that homologous structures always have a common ancestor. Justify your answer.       <div style="flo

What are homologous structures ? Give an example. Is it necessary that homologous structures always have a common ancestor. Justify your answer.

 

 

 

 
 
 
 
 

Answers (1)

Those structures which bear common structure but performs different functions are called the homologous structures. 

Examples:

  • Forelimbs of amphibians, mammals and reptiles.

And yes, they have common ancestor but inconsistently modified to carry out different activities.

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Safeer PP

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