Which of the following would stop evolution by barring the …

Biology Evolution Biological Evolution and its Mechanism Single Correct MCQ

Published on: August 14, 2026

Which of the following would stop evolution by barring the occurrence of the natural selection?

If humans became extinct because of a disease or epidemic.

If ozone depletion led to increased ultraviolet radiation which caused many new mutations.

If a thermonuclear war killed most of the living organisms and changed the environment drastically.

If genetic recombination, sexual reproduction and mutation stopped so that all off spring of all organisms were exact copies of their parents

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