Tag Archives: diatom

Diatoms Large and Small

ResearchBlogging.orgDiatoms are algae with hard parts. They make up a major part of the plankton found in fresh and salt water environments. Usually, diatoms exist as single celled free floating organisms, but they can also be colonies of several single cells. Their tiny little ‘shells’ are made up of silica (these shells are called “fustules”).
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