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Chapter 15
Section 1: History of Evolutionary Thought
Term | Definition |
---|---|
Evolution | The development of a new type of organisms from preexisting types of organisms over time |
Strata | Rock Layers |
Natural Selection | A theory formed by Darwin, that explains changes in organisms over time |
Adaptation | A trait that makes an individual successful in its environment |
Fitness | A measure of an individuals hereditary contribution to the next generation |