bioturbation
bio·tur·ba·tion
noun \ˌbī-ō-tər-ˈbā-shən\Definition of BIOTURBATION
: the restructuring of sedimentary deposits (as in a lake bottom or seabed) by moving organisms (as worms and burrowing clams)
— bio·tur·bat·ed \-ˈbā-təd\ adjective
Origin of BIOTURBATION
International Scientific Vocabulary
First Known Use: 1967
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