Change Over Time
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Evolution | The process in which inherited characteristics within a population change over generations
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| Mutation | An accident that results in a permanent change in the DNA code.
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| Adaptations | Structures, functions, or behaviors that improve a species’ ability to survive and reproduce in an environment
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| Natural Selection | The process by which individuals that are better adapted to their environment survive and reproduce more successfully than less well-adapted individuals do
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| Fossil | Trace remains of an organism that lived long ago
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| Fossil Record | The timeline of life formed by studying fossils
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| Variation | A trait that makes an organism different from other members of the same species
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| Extinct / Extinction | No members of a species are alive today.
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| Diversity | Differences in the traits or adaptations of the members of a population due to differences in the genetic codes
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| Evidence for Evolution | Fossil records, radiometric dating, genetic information, the distribution of organisms around the world, and physical similarities shared by different species
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| Species | A group of organisms that are so closely related genetically that they can mate to produce more of the same kind of organism
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