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Vocabulary Ch 10 Principles of Evolution Biology 2010 Holt McDougal


change in a species over time; process of biological change by which descendants come to differ from their ancestors


group of organisms so similar to one another that they can breed and produce fertile offspring


trace of an organism from the past


theory that states that natural disasters such as floods and volcanic eruptions shaped Earth's landforms and caused extinction of some species


principle that states that the changes in landforms result from slow changes over a long period of time


theory that states that the geological processes that shape Earth are uniform through time


the crossing of two different species that share common genes


differences in physical traits of an individual from the group to which it belongs


inherited trait that is selected for over time because it allows organisms to better survive in their environment

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