Fungi, many birds, and a wide variety of insects all share of a tree in the forest. part of of the fungi is to obtain energy from dead organic matter, such as dead wood. temperatures above 0°c and sufficient water in the environment define the range for fungi. options for the first one are: habitat symbiosis niche energy source options for the second one are: habitat symbiosis niche tolerance options for the third one are: habitat symbiosis niche tolerance