Question

Describe the differences between Homologous and Heterologous organs with suitable examples

Answer 1

Homologous organs	Heterologous (analogous) organs
The organs having the same origin, anatomy but different functions are called homologous organs.	The organs having the same functions but different in structure, origin and constituting parts are called analogous organs.
Homologous organs show divergent evolution.	Heterologous organs shows convergent evolution.
For example, forelimb of human, bat, cat.	For example, the wings of bats and the wings of birds.