Variation and evolution

Question 1

Define Genetic variation within a species

Answer 1

Individuals from the same species but different genes

Question 2

What are the main sources of genetic variation

Answer 2

Meiosis and mutations and differences in the environment

Question 3

Define evolution

Answer 3

The change in allele frequencies in a population over time

Question 4

The process of natural selection:

Answer 4

1. Environmental changes occur = selection pressure changes

2.