Answered

Organisms that CAN’T photosynthesize and must get their energy by
eating other organisms are called

Sagot :

Here2helpid
they are called as consumers & in particular if the eat others then carnivorous. 
Icedraptor88id
They are called consumers, primary-consumers/herbivores eat plants
Secondary or higher consumers are carnivorous organisms who eat other animals/fungi

You could also called them animals or fungi, as both cannot photosynthesize.

Hope this helps!

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