variation and evolution

• a phenotype is an observable characteristic
• a genome is all of the genes in your body
• characteristics are due to your genes or your environment
• some mutations are beneficial
• charles darwin first proposed the theory of evolution by natural selection in 1859
• Evolution is the change in the inherited characteristics of a population over time.
• natural selection can lead to a new species being developed as the inheritance of a certain characteristic in a population, over many generations could lead to a change in the whole species.
• Charles Darwin's theory took a while to be accepted but now had been proved by antibiotic resistance
• variation is the differences in the characteristics of individuals in a population