Each concept here is mapped to its prerequisites — the ideas you'd need first to understand it — all the way down to four foundations: Space, Time, Energy, Pattern. Click any prerequisite to drill down, or scroll for the chain graph.
A natural environment that provides the necessary resources and conditions for the survival of a species, encompassing its essential characteristics and properties.
External reference — all senses of the word “habitat nat” on Wiktionary. This atlas concept maps to only the slice of meaning relevant to the prerequisite graph.