Q8 of 53 Page 1

Define homologous and analogous organs.

Classify the following as homologous or analogous organs:


(i) Wings of an insect and wings of bat.


(ii) Forelimbs of a man and forelimbs of a frog.

Homologous organs are defined as the organs which have same structure but different functions. Analogous organs are defined as the organs which have same functions but different structure.


(i) Wings of an insect and wings of a bat are the analogous organs because they have same functions but different structure.


(ii) Forelimbs of a man and forelimbs of a frog are the example of homologous organs because they have same structure but different functions.


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