Variation - the differences between members of the same species
Mutation - a change in the genetic code of the DNA
Biodiversity - refers to all the different species of living things on Earth
Evolution - the gradual change in inherited characteristics that occur in species over many generations
Adaptation - changes occurring to a species to make them better suited to their environment
Natural selection - when organisms with the most favourable traits in an environment survive to breed and pass those traits onto their offspring
Extinction - when there are no living members of a species
