1. Learning Objectives
Identify the interactions that occur within communities

2. Community Interactions
Community interactions, such as competition, predation and symbiosis can have a great affect on the ecosystem

3. Competition
Competition - Organisms of the same or different species attempt to use an ecological resource in the same place at the same time

4. Predation
Predation - one organism captures and feeds on another organism

5. YouTube Community Ecology

6. Symbiosis
Symbiosis - Any relationship in which two species live closely together

7. Mutualism
Mutualism - both species benefit from the relationship.

8. Commensalism
Commensalism - One member benefits and the other is neither helped or harmed

9. Parasitism
Parasitism - One organism lives on or inside another organism and harms it

10. Stop Here

11. Niche
Niche is the range of physical and biological conditions in which an organism lives and the way in which the organism uses those conditions.