التعريف: An area of a planet's surface which is primarily covered by mosses and which is in contact with an atmospheric column extending from the planetary boundary layer to the planet's exosphere with little to no physical obstruction
التعليق: Auto-added during harvest #142. A human needs to edit this.
التعريف: A group of species that exploit the same food resources, and/or use the same feeding or foraging methods. http://en.wikipedia.org/wiki/Guild_(ecology)