Question

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

Answer 1

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
Dryopithecus Africans	---	Knuckle walker, walked similar to gorillas and chimpanzees (was more ape-like)	Soft fruit and leaves	Canines large, arms and legs are of equal size
Ramapithecus	---	Semi-erect (more man-like)	Seeds, nuts	Canines were small while molars were large.
Australopithecus africanus	450 cm3	Full erect posture, height (1.05 m)	Herbivorous (ate fruits)	Hunted with stone weapons, lived at trees, canines and incisors were small
Homo habilis	735cm3	Fully erect posture, height (1.5 m)	Carnivorous	Canines were small. They were first tool makers.
Homo erectus	800-1100 cm3	Fully erect posture, height(1.5-1.8 m )	Omnivorous	They used stone and bone tools for hunting games.
Homo neanderthalnsis	1300-1600 cm3	Fully erect posture, height (1.5-1.66 m)	Omnivorous	Cave dwellers, used hides to protect their bodies and buried their dead
Homo sapiens fossilis	1650 cm3	Fully erect posture with height (1.8 m)	Omnivorous	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.
Homo sapiens sapiens	1200-1600 cm3	Fully erect posture, height (1.5-1.8 m )	Omnivorous	They are the living modern men, with high intelligence. They developed art, culture, language, speech, etc. They cultivated crops and domesticated animals.