1
Q
What is evolution?
A
The theory that describes the way in which organisms evolve over many years as a result of natural selection.
2
Q
How does evolution occur?
A
- organisms best suited to their environment are more likely to survive and reproduce, passing on their characteristics to offspring
- gradually a species change over time to have a more advantageous phenotype for the environment in which it lives
- advantageous characteristics are passed on from generations by genes in DNA molecules
