1. What

2. Species, Genetics, and Ecosystem Diversity

3. Coastal mountain ranges Mississippi River Valley
Denver
Baltimore
San Francisco
Las Vegas
St. Louis
Coastal mountain ranges
Sierra Nevada
Great American Desert
Rocky Mountains
Great Plains
Mississippi River Valley
Appalachian Mountains
Figure 4.5: The major biomes found along the 39th parallel across the United States are shown in this diagram. The differences in tree and other plant species reflect changes in climate, mainly differences in average annual precipitation and temperature.
Coastal chaparral
and scrub
Coniferous forest
Desert
Coniferous forest
Prairie grassland
Deciduous forest

4. How

5. Natural Selection, Adaptation, Evolution

6. 225 million years ago
135 million years ago
65 million years ago
Present

7. Speciation, Geographic Isolation, Reproductive Isolation

8. Speciation, Geographic Isolation, Reproductive Isolation

9. Speciation, Geographic Isolation, Reproductive Isolation

10. Where

11. Why

12. Direct vs Indirect Value (to humans)

13. 575

17. Biodiversity
What How Where Why