Which of the Following Is NOT a Hypothesis That Can

Multiple Choice

Which of the following is NOT a hypothesis that can adequately explain global patterns in species' diversity?

A) Biomes in the tropics have been established for a longer time, so there has been more time for speciation to occur.
B) The number of tree species limits the number of animal species in an area.
C) Temperate species are fewer because it is difficult to adapt to local conditions.
D) The tropics cover more land than temperate regions.