Question 23
(Multiple Choice)
Refer to the table.
The table shows the number of species of a group of mammals present in the tropics, the subtropics, and the temperate zone over the last fifty million years.
- Of the three broad categories of hypotheses that have been proposed to explain latitudinal gradients (diversification rate, diversification time, and productivity or carrying capacity), these data most clearly fit which hypothesis?
A) Diversification rate
B) Diversification time
C) Carrying capacity
D) Combination of diversification rate and diversification time
Answer