After a tree falls in the forest, it slowly decays until it eventually becomes part of the forest floor. many organisms are involved in this decomposition, what is an example of a microorganism that aids in this process? a) mold is a beneficial microorganism that can aid decomposition. b) mice are beneficial microorganisms that can aid decomposition. c) beetles are beneficial microorganisms that can aid decomposition. d) vultures are beneficial microorganisms that can aid decomposition.