It is also rare that a food chain will have more than 4 levels before the top is reached, and the energy is release by decomposers acting on the body of the top predator.
(the top; is reached; ) (the energy; is; release by decomposers) (decomposers; acting; on the body of the top predator)
the top the energy decomposers
is reached is acting
release by decomposers
on the body of the top predator