Question

In which of the following, Darwin (based on his theory) did not believe in having any role in organic evolution?

• A. Discontinuous variations
• B. Parasites, predators and natural enemies
• C. Survival of the fittest
• D. Struggle for existence

Answer 1

Answer: (A)

Discontinuous variations

Darwin based his theory on slow changes, which are accumulated over a period of time. Such changes give rise to continuous variations. As against this mutation theory gave importance to chance random events i.e., mutations, which give rise to discontinuous variations.