An autotroph is an organism that can form organic substances from inorganic substances. A heterotroph is an organism that gets its nutrients from complex organic substances.
heterotroph
The viper-fish is a heterotroph.
heterotroph
Heterotroph
Heterotroph.
heterotroph
heterotroph.
Heterotroph.
Heterotroph
heterotroph
Autotroph
there autotroph