Diatom frustules
- Annie Cavanagh
- Digital Images
- Online
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Description
Colour-enhanced image of two diatom frustules. The frustule is the silicon cell wall that acts as a skeleton to support the single-celled diatom. In this image only the frustule and none of the cell contents remain. Diatoms have chloroplasts and can use sunlight to produce food. They are a major component of plankton in both fresh and salt water.