Organism that makes their own food from simple food sources.
A potato is an autotroph.
Autotroph
autotroph
Autotroph
autotroph
Autotroph
autotroph
autotroph
Autotroph
there autotroph
Autotroph is not a verb and therefore does not have a past tense. Autotroph is a noun.
kingdom archaebacteria is both heterotroph and autotroph