1. Ecology

2. Interdependence Key Theme in Ecology Crucial interactions occur between organisms and the living and nonliving environment.

3. Levels of Organization

5. Why is the amount of sunlight important to animals in an ecosystem?

6. Ecosystems Shaped by Biotic and Abiotic Factors

7. Biotic Factors Community interactions: – Competition Competitive Exclusion Principle – Predation – Symbiosis Mutualism Commensalism Parisitism

8. Abiotic Factors Climate Temperature Precipitation Sunlight Geographic distribution Soil Elevation

9. Survival  Optimal range  Tolerance limits  Acclimation (not adaptation)

10.  Internal control  Conformers (cold-blooded )  Regulators (warm-blooded)  Escape Short/long term  Dormancy  Migration

11. Habitat vs. Niche o Generalist o Specialist

12. Why do different species never occupy exactly the same niche?

13. A small rodent species and a bird species are adapted to cold temperatures. How might each species survive a major temperature increase?