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प्रश्न
Distinguish between Australopithecus and Cro-Magnon (Chin).
उत्तर
| Australopithecus | Cro-Magnon | ||
| 1. | Bipedalism | Walked nearly straight; the vertebral column had a definite lumbar curve. | Perfect bipedalism |
| 2. | Cranial capacity | 450 to 600 cm3 | 1450-1600 cm3 |
| 3. | Size of canine teeth | Almost the same as modern man; did not project above the level of other teeth. | Small canines; teeth closer to each other; wisdom teeth present. |
| 4. | Forehead and brow ridges | Low forehead eyebrow ridges projecting over the eyes. | Broad arched forehead; moderate brow ridges; orthognathous face. |
| 5. | Development of chin | Lack of chin prognathous face. | Well-developed chin. |
| 6. | Body hair | Body covered with hair. | Body less hairy. |
| 7. | Height and posture | 120 cm (3·5 to 4 ft); nearly upright. | 180 cm (5·5 cm to 6 ft); fully erect. |
संबंधित प्रश्न
State whether the following statement is true or false :
Human beings have evolved from chimpanzees.
Answer the following questions briefly:
Mention any two objectives of ‘Swachh Bharat Abhiyan’.
The range of cranial capacities in the following ancestral forms were
Cro-magnon ______.
Very short answer question.
What is the scientific name of the modern man?
Complete the following paragraph with the words given in brackets.
(Cro-Magnon, brain, fire, agriculture, Cultural, homo-sapiens, wise man)
Evolution of upright man continued in the direction of developing its ________ for the period of about 1 lakh years and meanwhile it discovered the __________. Brain of a 50 thousand year old man had been sufficiently evolved to the extent that it could be considered as a member of the class _______. Neanderthal man can be considered as the first example of _______. The _______ man evolved about 50 thousand years ago and afterwards, this evolution had been faster than the earlier. About 10 thousand years ago, wise-man started to practice the _______. It started to rear the cattle-herds and established the cities. _______ development took place.
Identify the human ancestor which showed both ape-like and man-like characters.
______ had cranial capacity almost equal to modern man.
All are features of Homo erectus, EXCEPT
Identify the character which is most relatable to Neanderthal man?
Does geographical isolation of individuals of a species lead to formation of a new species? Provide a suitable explanation.
