Heterokonts
Common name: None
Synonyms: Stramenopiles (the
photosynthetic heterokonts are sometimes
called “chromists”)
Mode of nutrition: Autotrophic; brown
chloroplasts; or saprophytic, parasitic
Habitat: Freshwater, marine, terrestrial
Growth habit: Unicellular, filamentous,
various multicellular
Cell wall: Cellulose, silica, alginic acids