1. Community Ecology

2. Community Group of individuals from different species in a given area
Species Richness
Relative abundance

3. Interspecific Interactions
Ind. # 1
Ind. # 2
Competition -
Predation +
Mutualism
Commensalism

4. Competition
Interspecific
Intraspecific

5. Competitive Exclusion Rule
Two species cannot occupy the same ecological niche

6. Resource Partitioning

7. Character Displacement

8. Predation

9. Plant Defenses Physical Chemical Thorns Spines Poisons Nicotine
Strychnine
Morphine
Tannins

10. Animal Defenses Physical Chemical Shells Horns/Antlers/Quills Teeth
Poisons
Odors

11. Animal Defenses
Cryptic Coloration
Aposematic Coloration

12. Animal Defenses
Batesian Mimicry
Mullerian Mimicry

13. Animal Defenses

14. Mutualism

15. Commensalism

16. Trophic Levels Primary Producers Primary Consumers Secondary Consumers
Tertiary Consumers
Quaternary Consumers

17. Trophic Levels Primary Producers Primary Consumers Secondary Consumers
Tertiary Consumers
Quaternary Consumers

18. Keystone Species

19. Keystone Species