protists Flashcards
what are protists
-living organisms classified under the kingdom Protista
-mostly unicellular
-greatest diversity
what are the three groups protists are divided into
-protozoa
-algae
-slime and water moulds
describe protozoa
-animal like, unicellular, heterotrophic organisms
-injests their food by phagocytosis
eg: microscopic, unicellular amoeba, paramecium and plasmodium
describe algae
-plant like, uni or multicellular, autotrophic
-macroscopic, multicellular red, brown, green algae
describe slime and water moulds
-fungus like, multicellular, heterotrophic organisms
-macroscopic
what’s the basic structure of protista
-uni or multicellular
-algae can photosynthesise as they have chloroplasts
what are the general characteristics
-eukaryotic
-multicellular or uni cellular
-aquatic
-algae = autotrophic
-other = heterotrophic
-reproduction is mostly asexual and occurs by binary fission
-some algae reproduces sexually
-protists live in almost any environment where water occurs