Bioturbation is the reworking of soils and sediments by animals or plants. Its effects include changing texture of sediments (diagenetic), bioirrigation and displacement of microorganisms and non-living particles. Common bioturbators include annelids (`ringed worms`) such as oligochaetes and Spirobranchus giganteus, bivalves like mussels, clams,.....
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http://en.wikipedia.org/wiki/Bioturbation
displacement and mixing of sediment particles by benthic fauna (animals) or flora (plants).
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http://en.wikipedia.org/wiki/Glossary_of_geology
(from the article `Cambrian Period`) ...animal diversification and a distinct increase in the complexity of animal behaviour near the beginning of the Cambrian Period. Other evidence ...
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http://www.britannica.com/eb/a-z/b/67
disturbance of sediment layers due to biological activity. This is a significant process in the marine environment where many animals such as worms exist by consuming organic matter trapped between sediment grains. Animals like clams burrow through sediment to hide from predators swimming or crawling above the ocean floor. The activity of the anima...
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http://www.fossilmall.com/Science/Glossary.htm
The disturbance of sediment by organisms, e.g. burrows, trails, or complete mixing.
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http://www.scientificpsychic.com/etc/geology-glossary.html
n. The disturbance of sediment by organisms, e.g. burrows, trails, or complete mixing.
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http://www.ucmp.berkeley.edu/glossary/gloss2geol.html
n. The disturbance of sediment by organisms, e.g. burrows, trails, or complete mixing.
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http://www.ucmp.berkeley.edu/glossary/glossary_2.html
bioturbation The mixing of a sediment by the burrowing, feeding, or other activities of living organisms.
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http://www.wordinfo.info/words/index/info/view_unit/2197/
The turning and mixing of sediments by organisms.
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https://www.encyclo.co.uk/local/22327
No exact match found.
