Understanding Evolution

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Understanding Evolution

Latitudinal Diversity Gradient (The LDG)

Home → Visualizing life on Earth → Investigation Phase IV: Why the tropics? → Spreading out of the tropics → Think about it: Question 11

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?

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The tropics are a biodiversity engine