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18 Cards in this Set
- Front
- Back
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the information gathered from experiments is called...
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data
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A structured procedure for collecting information to test a hypothesis is called..
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experiment
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A scientific explanation of known facts arrived at through repeated testing over time is a....
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theroy
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The part of the experiment in which all conditions are kept the same is the...
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control
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a experiment is
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a test of hypothesis
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breaks down dead organisms
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decomposer
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obtains energy and nutrients from autotrophs
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heterotroph
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step in the passage of energy and matter through an ecosystem
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tropic level
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place where an organism spends its life
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habitat
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reationship between organisms in which one organism benefits at the expense or another
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parasitism
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manufactures food using energy from the sun
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autotroph
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group formed by several populations
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community
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simple model for showing how matter and energy move through an ecosystem
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food chain
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feeds on dead organisms
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scavenger
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layer of earth that supports life
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bioshere
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relationship between organisms in which one benefits and the other is neither harmed or benefitted
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commensalism
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network of interconnected food chains
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food web
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relationship between organisms in which both benefits
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mutualism
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