Natural Selection

Question 1

Variation

Answer 1

there is variation in every population due to mutation - lots of different alleles.

This leads to a range of phenotypes

Question 2

Competition

Answer 2

Individuals within a population compete for a range of things such as food, mates, shelter, survival from the predators

Question 3

Survival of the fittest

Answer 3

Individuals with the “best” features are likely to be the best competitors.

These individuals are not likely to get a mate.

Question 4

Reproduction

Answer 4

Successful individuals pass on their beneficial alleles to their offspring.