Biodiversity

The vari­abil­i­ty with­in and among all liv­ing organ­isms and the eco­log­i­cal com­plex­es in which they occur. Bio­di­ver­si­ty includes ecosys­tem or com­mu­ni­ty diver­si­ty, species diver­si­ty, genet­ic diver­si­ty and the eco­log­i­cal and evo­lu­tion­ary process­es that sus­tain it.