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Biogeography. Arizona Geography GCU 221. Game Plan:. Ecosystems Adaptations and Niches Ecotones Major Ecosystems of Arizona. 1. Ecosystem. A system formed by the interaction of a community of organisms with their physical environment. Variety of interrelated organisms (food web)
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Biogeography Arizona Geography GCU 221
Game Plan: • Ecosystems • Adaptations and Niches • Ecotones • Major Ecosystems of Arizona
1. Ecosystem A system formed by the interaction of a community of organisms with their physical environment. • Variety of interrelated organisms (food web) • Environment • Adaptations
1. Ecosystem • Sun – powered by nuclear energy • Plants – powered by the sun • Herbivores – powered by plants • Omnivores – powered by plants and animals • Carnivores – powered by animals • Climax Species – powered by big animals • Decomposers – powered by dead things Arizona Activity…
1. Biodiversity: good or bad • Medea or Gaia
2. Ecotones • Boundaries between ecosystems • High biodiversity
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
Major Ecosystems of Arizona 1 4 3 2 5 6 7 8
4. SedonaPinyon Pine /Juniper Cochineal
Major Ecosystems of Arizona 1 4 3 2 5 6 7 8
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