Biological classification (kingdom protista)
Protista Characteristics Eukaryotes :-Specific membrane-bound cell organelles & distinct nucleus They are mostly unicellular i,e made of one cell Some are autotrophic, while other are heterotrophic They prefer moist and aquatic habitats They reproduce both sexually and asexually They are plant - like protists (algae) They are animal like - protists(protozoa) They are fungus like -protists (slime moulds, water moulds ) Protists They are of five types:- Chrysophytes Euglenoids Protozoans Dianoflagellates Slime moulds Chrysophytes They are also known as golden plants They are diatoms plant- like protists They contain chlorophyll, carotene, & Xanthophylls Rigid cell wall made of pectin/cellulose/sillica Habitat:- Aquatic Can be fresh water/ marine Float passively on water Mostly photosynthetic Diatoms: main producers of food in oceans Store food as oil Few are heterotrophic eating ...