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Fresh water centric diatom frustule (skeleton)

Image Number: 251093C

Caption:

Fresh water centric diatom frustule (skeleton) - Cyclotella sp. This fresh water diatom is found in the brackish water interface of polluted streams and lakes. Diatoms are a type of algae (Chromophyta, Bacillariophyceae). They consist of two valves, made of silica (hydrated silicon dioxide), which fit together like the top and bottom of a box. This SEM shows the surface of one valve and the broad "girdle" connecting it to the other valve. The exterior of the valves are often highly decorative, with pores, spikes or other types of projections. It is an important alga in the fresh water food chain.

Keywords:

| 251093C algae diatom alga centric centric diatom Kaiwanui marsh Hawaii Coscinodiscus 05.01.08 aquatic eukaryote frustule frustules silica frustule silica skeleton fresh water phytoplankton fresh water plankton freshwater phytoplankton freshwater plankton phytoplankton plankton SEM diatoms Chromophyta Bacillariophyceae diatom valve diatom valves valve valves glass frustule glass frustules glass skeleton glass skeletons hydrated silicon dioxide silica silicon silicon dioxide fresh water food chain freshwater food chain food chain unicelluar alga unicelluar algae |

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