Explain the terms analogous and homologous organs with examples.

Analogous organs are those organs which have different basic structural designs and developmental origins but have similar appearance and perform similar functions. Examples: Wings of an insect and wings of a bat. Homologous organs are those organs which have the same basic structural design and developmenta’ origin but have different functions and appearance. Examples: Forelimbs of frog and forelimbs of human.