Charles Darwin’s theory of evolution states that evolution occurs by natural selection. Individuals in a species shows variation in physical characteristics. This variation is because of the differences in their genes.
Evolution is the process by which species adapt over time in response to their changing environment.
Individuals with characteristics best match to their environment are more likely to survive, finding food, avoiding predators and resisting disease. These individuals are more likely to reproduce and pass their genes on to their children.
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