Homologous Organs:
Homologous organs are organs that have the same basic structure and origin but may perform different functions in different organisms.
Similar internal structure
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Common evolutionary origin
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Different functions due to adaptation
- Forelimb of a human, wing of a bat, leg of a horse, and flipper of a whale
- All have the same bone structure (humerus, radius, ulna), but:
- Human forelimb → grasping
- Bat wing → flying
- Whale flipper → swimming
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