6.2a As a result of evolutionary processes, there is a diversity of organisms and roles in

ecosystems. This diversity of species increases the chance that at least some will survive

in the face of large environmental changes. Biodiversity increases the stability of the


6.2b Biodiversity also ensures the availability of a rich variety of genetic material that

may lead to future agricultural or medical discoveries with significant value to

humankind. As diversity is lost, potential sources of these materials may be lost with it..