EvolutionEasyBloom L6
Question
The Theory of Natural Selection, proposed by Darwin to explain Organic Evolution was based on
Options
A.modifications of organs through use and disuse
B.enormous rate of reproduction, struggle for existence and survival of the fittest
C.inheritance of acquired characters
D.appearance of sudden large variations, inheritance and survival of those having these variations
Solution
Sol.(b) [Key Concept: Natural Selection — Overproduction & Struggle for Existence] Darwin's Theory of Natural Selection was based on: (1) overproduction — organisms reproduce at an enormous rate; (2) variation — individuals in a population show heritable variations; (3) struggle for existence — competition for limited resources; and (4) survival of the fittest — those with favourable variations survive and reproduce more.
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