A diatom has a cell wall made of - rectoria.unal.edu.co

A diatom has a cell wall made of a diatom has a cell wall made of

The cell walls of diatoms may be preserved for long periods of time in sediments and provide a record of past changes in lake systems.

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Diatoms have cell walls made of silica, Each species has a distinct pattern of tiny holes in the cell wall frustule through which they absorb nutrients and get rid of waste. Viewed under microscopes, diatoms show a huge variety of shapes with many interesting and beautiful patterns.

a diatom has a cell wall made of

Their shapes and structure are usually highly regular and symmetrical, and these features are used to identify and classify them. Phytoplankton are the smallest of all plankters ranging from around 1mm to as small as 7. All diatoms have a siliceous glassy exoskeleton of two halves that fit inside one another perfectly.

a diatom has a cell wall made of

Copepods small crustaceans eat phytoplankton. Plankton samples used to be stored in formalin which made them look grey and lifeless —a big contrast to their true colourful selves when they are fresh.]

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