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Biology

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Across
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An organism made up of only one cell
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Long, whip-like structure that some unicellular organisms use for locomotion
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Fish
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Use of pseudopods to move
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Animals in general
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The loss of an entire species
Down
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Adjust to environmental conditions
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Amphibians and reptiles
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Birds
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Insects
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A physical or behavioral change that enables an organism to better adapt to changes in environment
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Bees and bee-keeping
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A "false foot" membrane surrounded by cytoplasm extended from amoeba and used for locomotion