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chapt 2&3 vocabulary

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
autotroph   show
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heterotroph   show
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show heterotroph that eats only plants  
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show heterotroph that preys on other heterotrophs  
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show heterotroph that consumes both plants and animals  
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show heterotroph that decomposes organic material and returns the nutrients to soil, air, and water, making the nutrient available to other organism  
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show each step in a food chain or food web  
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show simplified model that shows a single path for energy flow through an ecosystems  
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food web   show
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show total mass of living matter at each trophic level  
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show anything that takes up space and has mass  
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nutrient   show
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show exchange of matter through the biosphere involving living organisms, chemical processes, and geological processes  
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show process in which nitrogen gas is captured and converted into a form plant can use  
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show process in which fix nitrogen compounds are converted back into nitrogen gas and returned to the atmosphere  
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