Bioturbation
the alteration and disturbance of a site by living organisms; the turning and mixing of sediments by organisms, as rodents.
bioturbation
(bī’ō-tər-bā’shən)
The stirring or mixing of sediment or soil by organisms, especially by burrowing, boring, or ingestion.
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a group of microorganisms, usually bacteria, that have identical genetic but different biochemical or physiological characters.
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a group of microorganisms, usually bacteria, that have identical genetic but different biochemical or physiological characters.
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biological warfare. noun