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Question 4:Try to trace the various components of human evolution (hint: brain size and function, skeletal structure, dietary preference, etc.)

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Question 4:

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


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Answer:

The various components of human evolution are as follows.

(i) Brain capacity

(ii) Posture

  1. Food / dietary preference and other important features
Name Brain capacityPostureFoodFeatures
1.Dryopithecus africans

Knuckle walker,walked similar to gorillas and chimpanzees (was more ape-like)Soft fruit and leavesCanines large, arms and legs are of equal size
2.Ramapithecus

Semi-erect (more man-like)Seeds, nutsCanines were small while molars were large.
3.Australopithecus africanus 450 cm3Full erect posture, height (1.05 m)Herbivorous (ate fruits)Hunted with stone weapons, lived at trees, canines and incisors were small
4.Homo habilis 735cm3Fully erect posture, height (1.5 m)CarnivorousCanines were small. They were first tool makers.
5.Homo erectus 800-1100 cm3Fully erect posture, height(1.5-1.8 m )OmnivorousThey used stone and bone tools for hunting games.
6.Homo neanderthalnsis1300-1600 cm3Fully erect posture, height (1.5-1.66 m)OmnivorousCave dwellers, used hides to protect their bodies, and buried their dead
7.Homo sapiens fossilis1650 cm3Fully erect posture with height (1.8 m)OmnivorousThey 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 sapiens1200-1600 cm3Fully erect posture, height (1.5-1.8 m )OmnivorousThey are the living modern men, with high intelligence. They developed art, culture, language, speech, etc. They cultivated crops and domesticated animals.

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