heterotroph

https://doi.org/10.1351/goldbook.14741
Organism obtaining organic food by eating other organisms or their excreta.
Note: Animals, fungi, and most bacteria are heterotrophs.
Source:
PAC, 2009, 81, 829. (Glossary of terms used in ecotoxicology (IUPAC Recommendations 2009)) on page 896 [Terms] [Paper]