The Living World 8th Edition by George Johnson

تمرين 22

Darwin proposed that individuals with traits that help them live in their immediate environment are more likely to survive and reproduce than individuals without those traits. He called this
A) natural selection.
B) arithmetic progression.
C) the theory of evolution.
D) geometric progression.
Which of the following conditions need not be met for evolution by natural selection to occur in a population?
A) Variation must be genetically transmissible to the next generation.
B) Variants in the population must have a differential effect on lifetime reproductive success.
C) Variation must be detectable by the opposite sex.
D) Variation must exist in the population.