Community Ecology - Iowa State University

Community Ecology
Supplemental Instruction
Iowa State University
Leader: Tyler
Course: Bio 211 (3)
Instructor: Dr. Rice
1. What is a community? What does it include?
2. Define the following:
Competition -
Amensalism -
Commensalism -
Neutralism -
Mutualism -
Predation -
3. What is the Competitive Exclusion Principle, and how does it relate to an
ecological niche?
4. What is the difference between a fundamental niche and a realized niche?
5. What is species richness? What hypotheses are used to explain differences in
species richness? Which one is observed to be the most valid?