Origin and Evolution of Life — BIOLOGY STD 12 Science — Question
Maharashtra BoardEnglish MediumSTD 12 ScienceBIOLOGYOrigin and Evolution of Life2 Marks
Question
Explain the concept ' survival of the fittest'.
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Answer
Survival of the fittest (Natural selection): a. The organisms having favourable variations succeed in the struggle for existence. b. The organisms with unfavourable variations are unfit to survive and they perish. c. This means survival of the fittest. d. Nature selects the organisms with favourable variations and these are fittest to survive, hence, the theory is known as Theory of Natural selection.
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