Autotroph is an organism that produces complex compound on itself and heterotrophs are the one which cannot produce its own food.
Explanation:
Autotroph are the primary producer that can create the complex compound required for their development from the simple substances that are easily found in the environment.
Autotroph uses energy from the inorganic chemical reactions and light.
Heterotrophs depend upon the other nutrition sources because they cannot produce on their own.
Heterotrophs are consumer where as autotrophs are producer in teh ecosystem.
