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Heterotroph - Wikipedia
Heterotrophic nutrition - Wikipedia
Heterotroph - Simple English Wikipedia, the free encyclopedia
Heterotrophs - National Geographic Society
Heterotroph - Definition and Examples | Biology Dictionary
Heterotroph - Definition and Examples - Biology Online Dictionary
Heterotroph | Consumers, Nutrition & Metabolism | Britannica
Food chains & food webs (article) | Ecology | Khan Academy
heterotroph - Students | Britannica Kids | Homework Help
Autotroph vs Heterotroph - Difference and Comparison | Diffen