Which could be a pathway of food through an ecosystem?

O

autotroph - heterotroph - heterotroph

autotroph - autotroph - heterotroph

heterotroph - autotroph - autotroph

heterotroph - autotroph - heterotroph

A. autotroph - heterotroph - heterotroph

Explanation:

Producer then consumer then consumer

i know this question old but i want it to be awensered for anyone later that comes across it

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Explanation:

According to the method of obtaining carbon for the formation of our own organic substances, we distinguish autotrophic, heterotrophic and mixotrophic organisms and according to the classical biological classification of organisms we recognize animals (including humans), plants, fungi, protozoa and prokaryotes.