GCSE: Biology- Mr Webber

Question 1

Natural Selection

Answer 1

Natural Selection is a concept of evolution, popularly theorised by Charles Darwin. It is split into 4 individual stages.

Question 2

Variation:

Answer 2

There is variation in every population due to mutations- lots of different alleles. This leads to a range of phenotypes.

Question 3

Competition:

Answer 3

Individuals within a population compete for a range of things. Food,mates,shelter and surviving from predators.

Question 4

Survival of the Fittest:

Answer 4

Individuals with the ‘best’ features are likely to be the best competitors.

These individuals are most likely to get a mate.

Question 5

Reproduction/inheritance

Answer 5

Successful individuals pass on their beneficial alleles to their offspring.