Evolution - The process by which different kinds of living organism are believed to have developed from earlier forms during the history of the earth., Natural selection - A mechanism of evolution. Organisms that are more adapted to their environment are more likely to survive and pass on the genes that aided their success., Adaptation - Any heritable trait that helps an animal or plant. , Variation - The difference between animals or plants. , Cladogram - A diagram showing the relationship between species (evolutionary). ,

Evolution L2

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