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.
Biodiversity is the variety of life forms in an ecosystem or biosphere, including genetic and species diversity, which arises from the interactions and adaptations of living organisms.
External reference — all senses of the word “biodiversity” on Wiktionary. This atlas concept maps to only the slice of meaning relevant to the prerequisite graph.