*they live in both fresh and marine water.
*they are microscopic and float with water current.
*they are mostly photosynthetic.
*diatoms,golden algae(desmids) are its examples.
*diatoms have silica cell wall.
* accumulation of silica in its habitat forms diatomaceous earth, which is used as polishing, filtering oil, in syrup.
*diatoms are producers of ocean.
page-7
*they are microscopic and float with water current.
*they are mostly photosynthetic.
*diatoms,golden algae(desmids) are its examples.
*diatoms have silica cell wall.
* accumulation of silica in its habitat forms diatomaceous earth, which is used as polishing, filtering oil, in syrup.
*diatoms are producers of ocean.
page-7
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