Try to trace the various components of human evolution (hint: brain size and function, skeletal structure, dietary preference, etc.)

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The various components of human evolution are as follows.

$(i)$ Brain capacity

$(ii)$ Posture $iii$. Food / dietary preference and other important features  

  Name  Brain capacity Posture  Food  Features 
$1.$ Dryopithec us africans $---$ Knuckle walker, walked similar to gorillas and chimnanzees (was more  ape-like) Soft fruit and leaves Canines large, arms and legs are of equal size
$2.$ Ramapithe cus 

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Semi-erect (more man-like) Seeds, nuts   Canines were while small molars were large. 
$3.$ Australopit hecus africanus  $450\, \mathrm{cm}^{3}$ Full erect posture, height $(1.05$ $m)$  Herbivor ous (ate  fruits) Hunted with stone weapons, lived at trees, canines and incisors were small 
$4.$ Homo habilis  $735 \,\mathrm{cm}^{3}$  Fully erect posture, height $(1.5\, \mathrm{m})$ Carniv orous  Canines were small. They were first tool makers.
$5.$ Homo er:ectus  $801100\, \mathrm{cm}^{3}$ Fully erect posture, height $(1.51 .8\, \mathrm{m})$ Omniv orous They used stone and bone tools for hunting games.
$6.$ Homo neandertha Insis   $13001600\, \mathrm{cm}^{3}$ Fully erect posture, height $(1.5-1.66\, \mathrm{m})$  Omniv orous  Cave dwellers, used hides to and protect their and thric bodies, buried their dead
$7.$ Homo sapiens fossilis $1650\, \mathrm{cm}^{3}$  Fully erect posture with height $(1.8\, \mathrm{m})$ Omniv orous They had strong jaw with teeth close together. They were cave dwellers, made paintings and carvings in the caves. They developed a culture and were called first modern men 
$8.$ Homo sapiens sapiens  $1200-1600$ $\mathrm{cm}^{3}$ Fully erect posture, height $(1.5-1.8\, \mathrm{m})$  Omniv orous They are the living modern men, with high intelligence. They develo art, developed culture, language, cneech etc. speech, Ther They cultivated crops an domesticated animals  

 

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  • [AIPMT 2002]