1. Ecology
Chapters 2-5

2. What is Ecology?
The study of interactions between organisms and their environment

3. Biosphere Part of Earth that supports life Abiotic factors

4. Organisms & Their Environments
Habitat
Niche

5. Symbiosis
Mutualism
Commensalism
Parasitism

6. Mutualism
Relationship between organisms in which both benefit

7. Commensalism
Relationship between organisms where one benefits and the other is neither harmed nor helped.

8. Parasitism
Relationship in which one member benefits and the other is harmed.

9. Energy Pyramid

10. Water Cycle

11. Carbon Cycle

12. Nitrogen Cycle

13. Phosphorus Cycle

14. 3.1 Communities Limiting factors
Affect the ability of an organism to survive
Biotic or abiotic
Tolerance

15. Succession
Natural changes to a community over time
Primary
Secondary

16. Primary Succession
Colonization of barren land that leads to a climax community

17. Secondary Succession

18. 4.1 Population Dynamics Do populations grow indefinitely?
What controls a population’s growth?

19. Population Growth Patterns
Exponential Growth

20. Growth with limiting factors

21. Carrying Capacity Factors that affect carrying capacity:
Limiting factors
Death rate
Birth rate
Life history patterns
Predation
Competition

22. Threats to Biodiversity

23. What Can You Do?