How long has it taken for nature to accumulate its rich diversity?

Step-by-step solution

It has taken millions of years of evolution , to accumulate this rich diversity in nature, but we could lose all that wealth in less than two centuries if the present rates of species losses continue. Biodiversity and its conservation are now vital environmental issues of international concern as more and more people around the world begin to realise the critical importance of biodiversity for our survival and well- being on this planet.