Try to trace the various components of human evolution (hint: brain size and function, skeletal structure, dietary preference, etc.)
Try to trace the various components of h | Class 12 Biology Chapter Evolution, Evolution NCERT Solutions
Q4. 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.
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
2.
Ramapithecus
---
Semi-erect (more man-like)
Seeds, nuts
Canines were small while molars were large.
3.
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
4.
Homo habilis
735cm3
Fully erect posture, height (1.5 m)
Carnivorous
Canines were small. They were first tool makers.
5.
Homo erectus
800-1100 cm3
Fully erect posture, height(1.5-1.8 m )
Omnivorous
They used stone and bone tools for hunting games.
6.
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
7.
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.
8.
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.
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Reference examples and data from the chapter when answering questions about Evolution.
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What is the correct answer to: 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 othe...
How do you solve Try to trace the various components of human evolution (hint: brain size and function, skeletal structure, dietary preference, etc.) step by step?
Step-by-step explanation:
• The various components of human evolution are as follows
•
•
• (i) Brain capacity
•
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