Question

Which of the following would stop evolution by natural selection from occurring?
(a) If humans became extinct because of a disease epidemic.
(b) If a thermonuclear war killed most living organisms and changed the environment drastically.
(c) If ozone depletion led to increased ultraviolet radiation, which caused many new mutations.
(d) If all individuals in a population were genetically identical, and there was no genetic recombination,sexual reproduction, or mutation.

Answer 1

d. if individuals were identical

Answer 2

Answer:

a) if humans became extinct