Biotic factors that a population needs include food availability. Abiotic factors may include space, water, and climate. The carrying capacity of an environment is reached when the number of births equal the number of deaths. A limiting factor determines the carrying capacity for a species.
Assuming this is true or false, the answer is false.
If the a decomposer were absent from the forest, everything would just pile up onto one another and never be returned to the Earth.