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Evidence of Organic Evolution

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notes

(i) Homologous Organs:-

- These are organs that have same basic structural plan and origin but different functions.

-Homologous organs provide evidence for evolution by telling us that they are derived from the same ancestor.

e.g. Wings of Bat.

(ii) Analogous Organs:-

-These are the organs that have different structure and origin but their function is the same.

- They provide mechanism for evolution.

e.g. wing of bat-elongated fingers with skin folds

wing of bird- feathery covering along the arm

description

  • Evidence of Organic Evolution
  1. Evidence from Morphology and Anatomy
  2. Evidences from Palaeontology
  3. Evidences from Embryology
  4. Vestigial Organs
  5. Connecting Links
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Evidence of Evolution [00:17:43]
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