Think about it: Question 11 Citation: Jablonski, D., Roy, K., and Valentine, J. W. 2006. Out of the tropics: evolutionary dynamics of the latitudinal diversity gradient. Science 314: 102-106. Question 11 Does the graph above support the idea that genera that first evolve in the tropics tend to spread into other climates? How does the graph above support your thinking? Previous Multiple choice: Question 10 Next The tropics are a biodiversity engine