4. 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.
(i) Brain capacity
(ii) Posture iii. Food / dietary preference and other important features
Name |
Brain capacity |
Posture |
Food |
Features |
|
1. |
Dryopithec us 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 |
2. |
Ramapithe cus |
- - - |
Semi-erect (more manlike) |
Seeds, nuts |
Canines were small while molars were large. |
3. |
Australopit Thecus Africanus |
450 |
Full erect posture, height (1.05 m) |
Herbivor ous (ate fruits) |
Hunted with stone weapons, lived at trees, canines and incisors were small |
4. |
Homo habilis |
735 |
Fully erect posture, height (1.5 m) |
Carnivorous |
Canines were small. They were first tool makers. |
5. |
Homo erectus |
8001100 |
Fully erect posture, height (1.51.8 m ) |
Omnivorous |
They used stone and bone tools for hunting games. |
6. |
Homoneanderthalnsis |
13001600 |
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 fossils |
1650 |
Fully erect posture with height (1.8 m) |
Omnivorous They had a strong jaw with teeth close together. |
They were cave dwellers, made paintings and carvings in the caves. They developed a culture and were called the first modern men. |
8. |
Homo sapiens sapiens |
12001600 |
Fully erect posture, height (1.5-1.8 m ) |
Omnivorous |
They are living modern men, with high intelligence. They developed art, culture, language, speech, etc. They cultivated crops and domesticated animals |