Sindh Board > Class 9 > Biology (Total Videos: 438)

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Chapter 17: Evolution (5 videos)   (Practice Test)
17.1: Variations and their Causes
  1. Discontinuous and Continuous Variations
17.2: Theories of Evolution  (Practice Test)
  1. Larmarckism
  2. Theory of Natural Selection
17.3: Evidences of Evolution  (Practice Test)
  1. Eviednces from Comparative Anatomy
  2. Eviednces from Artificial Selection