define these words??????????????????

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  • Protists
  • Protozoan
  • Algae
  • Green algae
  • Diatoms
  • Dinoflagellates
  • Red tides
Sep 1st, 2015

Protists : - The kingdom of eukaryotic organisms which are unicellular and less multicellular. They include somefungi, algea and protozoans.

Protozoan : -  It is a diverse group of eukaryotic organisms which belongs to kingdom protista. They are unicellular. They exists as single or they live in colonies.

Algae : -  It is microscopic photosynthetic organism which occurs in many habitats. Their types are from unicellular to multicellular. 

Green Algae : - It differs ion size from microscopic to large plants. Some algae have flagella to make movement. but many green algae are non-motile. The green chloroplast can be observed easily in the cell of green algae under a microscope. 

Diatoms : - It is a major group of algae. These are photosynthesising algae and are found in every aquatic environment almost.

Dinoflagellates : - It belongs to the kingdom of protista and it has been classified using ICBN and ICZN(International codes of botanical and zoological nomenclature). It has two flagellas.

Red tides : - It is phenomenon  caused by algal bloom during which the number of algae becomes so much that they discolor the coastal water which is called as red tides.

Sep 1st, 2015

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