Answer:
I want to say the answer is Electric Current
I would think of a unicellular organism or a plant, but I'm not too sure on this one, Just trying to help :)
Autotroph is to producer as Hetrotroph is to consumer
Autotrophs make their own food, which makes them producers
While Hetrotrophs cannot make their own food, and must obtain it from another source, making them consumers
Penicillin was made to help soldiers
