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Origin and Evolution of Life — BIOLOGY STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceBIOLOGYOrigin and Evolution of Life4 Marks
Question
Major changes that occurred in human evolution.
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Answer

  1. Major changes that took place in evolution of man are as follows :
  2. Increase in size and complexity of brain and enhanced intelligence.
  3. Increase in cranial capacity.
  4. Bipedal locomotion.
  5. Opposable thumb.
  6. Erect posture.
  7. Shortening of forelimbs and lengthening of hind limbs.
  8. Development of chin. Orthognathous face.
  9. Broadening of pelvic girdle and development of lumbar curvature.
  10. Social and cultural development such as articulated speech, art, development of tools, etc.

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