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.
Content will be erased after question is completed.