Download 1. How does competition lead to a realized niche? How does it

Chapter 4 Questions
APES - Fall 2015
1. How does competition lead to a realized niche? How does it promote resource partitioning?
2. Contrast the several types of exploitative species interactions. How do predation, parasitism, and
herbivory differ?
3. Give examples of symbiotic and nonsymbiotic mutualisms. Describe at least one way in which
mutualisms affect your daily life.
4. Compare and contrast trophic levels, food chains, and food webs. How are these concepts related, and
how do they differ?
5. What is meant by a keystone species, and what types of organisms are most often considered keystone
species?
6. Explain primary succession. How does it differ from secondary succession? Give an example of each.
7. Name five changes to Great Lakes communities that have occurred since the invasion of the zebra
mussel.
8. What is restoration ecology? Why is it an important scientific pursuit in today’s world?
9. What factors most strongly influence the type of biome that forms in a particular place on land? What
factors determine the type of aquatic system that may form in a given location?
10. How does the climate diagram for a tropical rainforest differ from the climate diagram for a desert?
Describe all of the types of information an ecologist could glean from such diagrams.