The correct option is D d) None of the above
Answer : D
A biodiversity hotspot is a biogeographic region with significant levels of biodiversity that is under threat from humans. Norman Myers wrote about the concept.
To qualify as a biodiversity hotspot, a region must meet two strict criteria: it must contain at least 0.5% or 1,500 species of vascular plants as endemics, and it has to have lost at least 70% of its primary vegetation.