1. Biogeography Arizona Geography GCU 221

2. Game Plan: 1.Ecosystems 2.Adaptations and Niches 3.Ecotones 4.Major Ecosystems of Arizona

3. 1. Ecosystem Variety of interrelated organisms (food web) Environment Adaptations A system formed by the interaction of a community of organisms with their physical environment.

4. 1. Ecosystem

5. 1.Sun – powered by nuclear energy 2.Plants – powered by the sun 3.Herbivores – powered by plants 4.Omnivores – powered by plants and animals 5.Carnivores – powered by animals 6.Climax Species – powered by big animals 7.Decomposers – powered by dead things Arizona Activity…

6. 1. Columbian Exchange: Ecosystem in Flux

7. 1. Different Environments: more urban

8. 1. Different Environments: warmer planet

9. 1. Adaptations and Niches

10. 1. Biodiversity: good or bad Medea or Gaia

11. 1. Medea: Blue Fin Tuna

12. 1. Gaia: Platypus

13. 2. Ecotones Boundaries between ecosystems High biodiversity

14. 3. Arizona Major Ecosystems Tundra: San Francisco Peaks Spruce Fir: White Mountains Ponderosa Pine and Gamble Oak: Mogollon Rim Pinyon – Juniper: Sedona Grassland: Sunset Point Cottonwood and Willow: Verde River Sonora Desert: Superstition Mountains Colorado Desert: Yuma

15. Major Ecosystems of Arizona 1 2 3 4 7 5 6 8

16. 1. San Francisco Peaks - Tundra

18. 2. White Mountains Spruce Fir

19. 3. Mogollon Rim Ponderosa Forest / Gamble Oak

20. 4. Sedona Pinyon Pine / Juniper Cochineal

21. 5. Sunset Point Savannah Grasslands

22. 6. Verde River Willow Cottonwood

23. 6. Willow Cottonwood replaced by Tamarisk

24. 7. Superstition Mountains Sonora Desert

25. 8. Yuma Colorado Desert

26. Major Ecosystems of Arizona 1 2 3 4 7 5 6 8

27. Things to know: What is an Ecosystem? What is the Columbian Exchange What does it mean to be Gaian? What does it mean to be Medean? What is an Ecotone and why are they important? Basic understanding of the 8 major ecosystems of the Arizona (which is hotter or colder, where plant and animal species are common, like Cottonwood or Antelope) Help: Ask Dr. Douglass