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<a accesskey="3" href="page.php?w=Bioturbation&amp;p=2">3.Next</a>
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<p><b>Bioturbation</b> is defined as the reworking of <a href="page.php?w=soil">soil</a>s and <a href="page.php?w=sediment">sediment</a>s by animals or plants. It includes burrowing, ingestion, and defecation of sediment grains. Bioturbating activities have a profound effect on the environment and are thought to be a primary driver of <a href="page.php?w=biodiversity">biodiversity</a>. The formal study of bioturbation began in the 1800s by <a href="page.php?w=Charles_Darwin">Charles Darwin</a> experimenting in his garden. The disruption of aquatic</p><p>
<a accesskey="3" href="page.php?w=Bioturbation&amp;p=2">3.Next</a>
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