What are Diatoms?
What are Diatoms?
Written by S.E. Smith
Wisegeek.com
Diatoms are unicellular algae which form distinct and beautiful cell walls from silica. They are widely distributed throughout the upper layers of the oceans of the world, and can also be found in fresh water or moist environments, such as the undersides of plants. There are over 16,000 recognized diatom species, with many more being constantly identified. Because diatoms are so plentiful, they form an important part of the pelagic food chain, serving as a food source for most of the animals in the ocean, either directly or indirectly.
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