التعريف: determinate reproductive shoot systems having as part at least one carpel or at least one stamen and containing no other determinate shoot system as a part.
التعريف: where individuals of the same species (conspecifics), maintain spatial proximity with one another over time with mechanisms of social attraction
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)