Question

How does homologous organ help in understanding evolutionary relationship

Answer 1

they gives us information that these organism have been evolved by same ancestors

this tell that the different organism can be evolved from one ancestors

hope this would help you

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.