A) Extinction
B) Competition
C) Variation
D) Reproduction
Correct Answer: C
Solution :
Organic evolution is process of cumulative change of living populations and in the descendant populations of organisms. According to Darwin, variations are differences among individuals. Variations which help the individual to fit in its surroundings are passed on to the next generation while others disappear. Thus, variation plays an important role in evolution.You need to login to perform this action.
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