Name two homologous structures in vertebrates. Why are they so called?

cbse
heredityandevolution
cbse-class10-science

#1

Name two homologous structures in vertebrates. Why are they so called? How do such organs help in understanding an evolutionary relationship?
Answer:
Two homologous structures in vertebrates are:

  • limbs of birds and reptiles
  • limbs of reptiles and amphibians.

These are called so because the organs have similar structure to perform different functions in various vertebrates.
The homologous characteristics indicate common ancestory.