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chemoautotroph

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definition: 
An organism, typically a bacterium, which derives energy from the oxidation of inorganic compounds.
sentence: 
While chemoautotrophs are uncommon, photoautotrophs are common and quite diverse.
difficulty: 
medium
toefl frequency: 
1
toefl classification: 
adverb: 
adjective: 
adverb sentence: 
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verb: 
verb sentence: