Question

What is the difference between homologous and analogous structures ?

Answer 1

Homologous structures: Homologous organs are defined as the organs of different animals that are having a similar structure but differ in their functions.

Analogous structures: The organs which have different anatomy but perform similar functions are called as analogous organs.

Homologous structures	Analogous structures
1.These are the structures with similar structures but different function.	1.These are the structures with different structures but similar function.
2.They share a common ancestor.	2.The don't share a common ancestor.
3.These are the examples of divergent evolution.	3.These are the example of divergent evolution.
4.Example: forelimbs of frogs, lizards, birds, and humans	4.Example: the structure of wings of a butterfly and of birds perform similar functions.