Answer:
Vultures, Hyenas, Ants, Bacteria that's all i got really
Explanation:
All of these either eat remains or break down remains of a decomposing animal and in doing so, speed up the process of the decomposing.
The only living thing that makes its own food is the plant. So the first step in a food chain is always a plant that makes its own food by sun. :)))
I hope this is helpful
have a nice day