Benthos
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In marine geology and biology, benthos are the organisms and habitats of the sea floor; in freshwater biology they are the organisms and habitats of the bottoms of lakes, rivers, and creeks. Animals belonging to the benthos are sometimes referred to as zoobenthos.
From the size of organisms there are distinguished
- macrobenthos, size > 1 mm
- meiobenthos, size > 0.063 mm
- microbenthos, size <0.063 mm
Benthic organisms play a great role as food for fish and humans, but also as destruents.
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See also: Benthic zone