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


The various components of human evolution are as follows:



S.No.



Name



Time period



Brain capacity



Height and structure



Features



1.



Dryopithecus



15 m.y.a.



-



Walked similar to chimpanzees or gorillas



• More ape like


• Large canines, both arms and legs of same size



2.



Ramapithecus



14-8 m.y.a.



-



Comparatively erect posture (not complete)



• More man like


• Smaller canines, larger molars



3.



Australopithecus



2 m.y.a.



450 cc



Fully erect


1.05 m in height



• Probably lived in East African Grasslands.


• Hunted with stone weapons.


• Fed on fruits



4.



Homo habilis



2-1.5 m.y.a.



650-800 cc



Erect posture


105 m in height.



• First human like being-hominid


• Did not eat meat.


• Developed tools



5.



Homo erectus



1.6 m-200,000 y. a.



900 cc



Fully erect posture


1.5-1.7 m in height.



• Ate meat


• Left African subcontinent and spread to other parts of the world.


• Used hides to protect their body and buried their dead.



6.



Homo sapiens



400,000-40,000 y.a.



Neanderthals had the brain capacity of 1400 cc.



Fully erect posture


1.5-1.8m in height



• Developed into different races.


• Cultivated crops and lived in settled civilisations.


• Domesticated various animals for food and protection.



7.



Homo sapiens sapiens



40,000y.a.- present



1200-1600 cc



Fully erect posture


1.5-1.8 m in height.



• The modern day man, living in civilisations.


• Omnivorous.




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