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