The bacteria which attack dead animals are

Bacteria that attack dead animals are decomposers and represent the end of the food chain. These are species that get their energy from other organisms' chemical breakdown. They secrete enzymes onto dead materials, which they ingest. Bacteria are experts at breaking down organic molecules that are tough to digest for other species. They also play an important role in the ecosystem, returning organic matter constituents to the environment in inorganic forms so that producers can use them again.