What are homologous structures - Give an example- Is it necessary that homologous structures always have common ancestor -

Question

Toppr Admin · Accepted Answer

Homologous structures - These are the structures which bear-xA0-common basic structure but perform different functions-xA0-Examples - Forelimbs of reptiles- amphibians and mammals-xA0-Homologous structures bear common ancestory but get-xA0-differently modified to carry on different activities-

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

Homologous structures : These are the structures which bear common basic structure but perform different functions. Examples : Forelimbs of reptiles, amphibians and mammals. Homologous structures bear common ancestory but get differently modified to carry on different activities.