Saturday, February 16, 2013

Comparison between homologous organs and analogous organs

Homologous organs and analogous organs: Major differences
Homologous  organs
Analogous organs
1.      Adapted for different functions
Adapted for similar functions
2.      Similar basic plan and origin
Different body plan and origin
3.      It is due to divergent evolution
It is due to convergent evolution
4.      It indicates evolutionary relationship
It does not indicate evolutionary relationship
5.      Example: Forelimbs of vertebrates
Example: Wings of insect and birds


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