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Organs working together to keep a body functioning properly
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| cells that work together for a specific purpose |
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| An egg changing into a caterpillar, then a pupa, and finally to a butterfly |
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| Any plant, animal, or fungus that lives and maintains life |
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the simplest unit of life
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| an organized investigation or inquiry used to figure out problems |
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| something that can be changed in an experiment |
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| a thought, idea, or question that can be tested |
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| this type of animal will have a backbone |
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| this type of animal will NOT have a backbone |
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| natural protection from predators |
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| Plants and animals both need this to grow |
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| How scientist collect data |
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| Scientists shouldfollow procedures during an experiment so _______ |
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| so scientist can make sure the results of an experiment are valid |
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| have a big effect on living organisms |
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| everything that is the same in an experiment except one thing |
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| repeat and collect more data |
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| what a scientist can do to make sure conclusions are valid |
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| important for safety and so others can repeat the experiment |
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| It is important to keep accurate records so.... |
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| Once a scientist performs his experiment, he should... |
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