Because, without them, the dead animal will just sit there. So, having decomposers gets rid of the remains of the animal, and that way they can eat too. Hope it helps good luck!
The trait perspective focuses primarily on describing
individual differences. The trait approach emphasizes the difference in traits
per individual. Traits are known to be constant or stable description of
individuals for a period of time. The trait approach sees the interaction of
traits among other personalities.
The mitochondria converts food into energy