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(a) Differentiate between Apes and Man with respect to the following characteristics: (i) Posture (ii) Brow ridges (iii) Cranial capacity (b) Define protobionts.(c) What is cognogeny? |
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Answer» (a) (i) Semi-erect posture Completly erect posture (ii) Brow ridge prominent Brow ridges weakly developed (iii) Cranial capacity 100-500 cm3 (iv) Cranial capacity 1400-1450 cm3 (b) Protobionts have various types of chemicals like proteins, nucleic acids, carbohydrates, etc., enclosed inside a lipid membrane an <f proteins got associated whit the membrane covering protobionts. (c) Cognogeny: It refers to the evolution of different life forms on this planet-the Earth. |
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