1. What is the difference between renewable and nonrenewable resources?

2. How does Liebig’s law of the minimum explain limits on a population’s growth?

3. If two species require the same limiting resource, what would you predict about their ability to coexist?

4. Why are population growth rates at zero when two species are at equilibrium?

5. Explain why ecologists predict that closely related species will often experience more intense competition than distantly related species.

6. Compare and contrast exploitative competition and interference competition.

7. Explain the concept of the “competition coefficients” that are used in the Lotka-Volterra competition equations.

8. Why is allelopathy considered a form of interference competition?

9. Under what conditions can two species competing for two resources coexist?

10. Explain the difference between competition and apparent competition.