Question

What are homologous organs? how do they help to establish evolutionary trends?

Answer 1

The central idea of biological evolution isthat all life on earth shares a common ancestry and some similarities have evolved in other ways. These are called homologies and analogies. We will look at the different characteristics and identify the homologous and analogous organs in the plants and animals we have selected.HomologyHomology refers to the traits inherited by two different organisms from a common ancestry.

Answer 2

They have same basic structure of bones, but perform different functions. Presence of homologous organs confirm divergent evolution, i.e., different organisms develop from a common ancestor. Therefore, homologous organs helps in establishing evolutionary relationship between organisms.