Name: ______________________________________
4.2 Niches and Community Interactions
“Where does an organism live and how does it fit into its surroundings”
1. What is a niche?
2. Provide 5 examples of resources necessary for life, in a niche.
3. How does competition shape communities?
4. State the competitive exclusion principle:
5. How does predation shape a community?
6. Summarize the three (3) main classes of symbiotic relationships in nature. Slide Figure 2.8 to
complete the table:
Symbiosis
Description
Example
Mutualism
Parasitism
Commensalism