Who observed that within a region, species richness increased with increasing explored area, to a certain limit ?
A. Robert May
B. John Muir
C. Alexander von Humboldt
D. David Tilman
Answer:C
Who observed that within a region, species richness increased with increasing explored area, to a certain limit ?
A. Robert May B. John Muir C. Alexander von Humboldt D. David Tilman