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

S.No	Name	Brain capacity	Posture	Food	Features
1.	Dryopithec us africans	---	Knuckle walker walked similar to gorillas and chimpanzees(was ape-like)	Soft fruit and leaves	Canines large arms and legs are of equal
2.	Ramapithecus	---	Semi-erect(more man-like)	Seeds nuts	Canines were small while molars were large
3.	Australopit hecus africanus	450 cm3	Full erect posture height (1. 05m)	Herbivorous (ate fruits)	Hunted with stone weapons and lived at trees canines and incisors were small
4.	Homo habilis	735cm3	Fully erect posture height (1. 5m)	Carnivorous	Canines were small. They were first tool makers.
5.	Homoerectus	800-1100cm3	Fully erect posture height(1. 5-1. 8 m)	Omnivorous	They used stone and bone tools for hunting games.
6.	Homo neandertha Insis	1300-1600cm3	Fully erect posture height (1. 5- 1. 66 m)	Omnivorous	Cave dwellers used hides to protect their bodies and buried their dead
7.	Homo sapiens fossilis	1650cm3	Fully erect posture with height (1. 8m)	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.
8.	Homo sapiens	1200-1600cm3	Fully erect posture with height (1. 5-1. 8m)	Omnivorous	They are the living modern men with high intelligence. They developed art culture language Speech etc. They cultivated crops and domesticated animals