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| are groups of similar organisms that can successfully reproduce among themselves in their natural environment. |
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| is changes in the inherited features of a species over time and can occur rapidly or slowly. |
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| is Darwin's theory of evolution, which says that organisms with traits best suited to their environments are more likely to survive and reporduce. |
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| is an inherited trait that makes an individual different from other members of the same species and can be beneficial, harmful, or neutral. |
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| is a model of evolution that shows a slow change of one species to another, new species through continued mutations and variations over time. |
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| punctuated equilibrium 8.12 |
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| is the model of evolution that shows the rapid change of a species caused by the mutation of just a few genes, resulting in the appearance of a new species. |
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| is rock formed by compaction and cementation of sediments or when minerals precipitate out of solution or are left behind when a solution evaporates. |
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| is an element that gives off radiation due to an unstable nucleus. |
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| are body structures that are similar in origin and show that two or more species may share common ancestors. |
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| is a body structure with no obvious use, which may once have functioned in an ancestor. |
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| is the study of development in organisms. |
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| are a group of mammals that includes monkeys, apes, and humans and that shares several characteristics, such as opposable thumbs and binocular vision |
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| are human species thought to have evolved about 400,000 years ago. |
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| are humanlike primates that walked upright on two feet and ate both meat and vegetables |
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