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Latitudinal Diversity Gradient (The LDG)

Home → Visualizing life on Earth → Investigation Phase IV: Why the tropics? → Spreading out of the tropics → Multiple choice: Question 9

Multiple choice: Question 9

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 9

Multiple choice: Question 8

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Multiple choice: Question 10

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Visualizing life on Earth

Introducing the LDG
Investigation Phase I: Is the LDG real?
Investigation Phase II: Are the tropics crowded?
- Examining the data
- The tropics are crowded! Since when?
Investigation Phase III: Figuring out who lived where when
- Is the LDG old? Examining the data
- The LDG is old — at least in the oceans
Investigation Phase IV: Why the tropics?
Conclusion: Generating more questions
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