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Biology 1 Vocabulary

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Across
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A recipe for mice: combine sweaty rags and bread crumbs, wait
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A radioactive substance found in fossils
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The amount of time it takes for half of the carbon-14 to change and dissipate
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Body structure that no longer has any use
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Structures that have similar functions but different origins of development
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Number of biology tests this year
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Radioactive isotope that has a half life used for dating organisms
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A fossil used for dating strata correlations
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Changes in the genetic structure of an organism to adapt to their settings to survive
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The rock that fossils are found in most commonly
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The career that studies fossils and remains
Down
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Structures that have similar origin but no common function
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The study of embryos and their development
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The process of giving a fossil a precise date and age
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The remains of a dead organism preserved through time