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Study Guide: Midterm

Evolution
Change in the properties of a species over generations. ** All living things descended from common ancestors ** All living things can change and give rise to new species
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Natural Selection
The differential survival and reproduction of organisms with heritable characteristics that make them better suited to their environment. Natural selection is the driving force of evolution
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Homology
similar characteristics due to recent common ancestry
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Convergence
similar characteristics not due to evolutionary history, but to environmental pressure (e.g. bats, birds, insects all have wings for flying)
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DNA
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