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1. If an endangered species such as the Santa Ana River Woolly Star were to beco

ID: 9032 • Letter: 1

Question

1. If an endangered species such as the Santa Ana River Woolly Star were to become

extinct, what effects might this have on other species?

2. What do the J- and S-shaped population curves indicate about the life span of an

organism?

3. Does competitive exclusion limit the diversity within a given community?

4. Why are field studies, such as the monitoring of owls, important in the study of

ecology?

5. How does mutualism differ from commensalism?

6. What effect did the agricultural revolution have on the growth of the human

population?

7. What does the demographic transition model say about birth and death rates?

8. In your opinion, is a zero population growth rate possible?

9. What critical factors could affect the age structure diagram?

10. Do you believe that the human population can stabilize without widespread

starvation, war or epidemics?

Explanation / Answer

1. The organism that eats the woolly star would decrease in population and hte organism that is eaten by the woolly star would increase in population