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How a biofilm forms in the sea

Bacteria settle on surfaces, secrete slime, and grow into colonies. Some detach or are eaten by zooplankton. Large organisms can attach if the biofilm becomes thick enough.

Biofilms form when bacteria settle on hard surfaces, secrete slime, and grow into colonies. Some bacteria detach or are eaten by zooplankton, while large organisms can attach if biofilms become thick. (Illustration by Jack Cook, © Woods Hole Oceanographic Institution)

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SEARCH RELATED TOPICS: Ocean life / Marine microbes / Shellfish

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