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Evolution 1 Vocab

QuestionAnswer
A trait that helps an organism survive and reproduce Adaptation
The scientist that is associated with the theory of evolution Darwin
The change in a species over time Evolution
The process by which individuals that are better adapted to their environment are more likely to survive and reproduce Natural Selection
A group of similar organisms that can mate with each other and produce fertile offspring Species
Any difference between individuals of the same species Variation
Describes a speices where no members are still alive Extinct
The theory that evolution occurs slowly but steadily Gradualism
The preserved remains of an organism that lived in the past Fossil
The millions of fossils that scientists have collected over time Fossil Record
A hollow space in sediment in the shape of an organism or part of an organism Mold
The process of using unstable particles that break down into a different element to determine the age of materials Radiometric Dating
Similar structures that related species have inherited from a common anscestor Homologous structures
A diagram that shows how scientists think different groups of organisms are related Branching Tree
The process in which individuals of a species are permantly seperated and go on to evolve differently from each other Geographic Isolation
Created by: lipscold
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