People are heterotrophic organisms. They are unable to manufacture their own food and must obtain their nutrients and energy source from external sources.
heterotroph
A grasshopper is a heterotroph.
heterotroph
Heterotroph.
Millipedes are heterotrophs .
Heterotroph.
The viper-fish is a heterotroph.
heterotroph
is is scabies heterotroph
Heterotroph
Heterotroph.
heterotroph.