Which one of the following statements about biodiversity is not correct ?

Statement 4 is incorrect because there are currently only 36 recognized biodiversity hotspots globally, not more than 100. The concept of biodiversity hotspots was first suggested by British ecologist Norman Myers in 1988 to identify regions of high conservation priority characterized by high endemism and significant habitat loss [3]. To qualify, a region must contain at least 1,500 species of endemic vascular plants and have lost at least 70% of its primary native vegetation. Statement 1 is correct as Walter G. Rosen coined the term 'biodiversity' in 1986 during the National Forum on BioDiversity. Statement 2 is correct as Norman Myers introduced the 'hotspot' concept in 1988 [3]. Statement 3 is correct as these regions are defined by their biological richness and status as Earth's most threatened terrestrial regions [2].

Sources

1. [3] Environment and Ecology, Majid Hussain (Access publishing 3rd ed.) > Chapter 4: BIODIVERSITY > BIodIversIty Hotspots. > p. 5
2. [2] https://www.sciencedirect.com/science/article/abs/pii/S0169534725001600