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Biology

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1. .What are 3 basic population growth curve? When might you see them in nature?
2. Define biotic potential and environmental resistance, and give factors of each. What generally remains constant, and which
3. Differentiate between the terms critical number and carrying capacity. What is density dependence?
4. Explain the difference between r- and K-strategists. Where do these terms come from, and what are the characteristics of each broad category?
5. Describe the predator-prey relationship between the moose and wolves of Isle Royale. What other factors influence these two populations?
6. Distinguish intraspecific and interspecific competition. How do they affect species as a form of environmental resistance?
7. What is meant by territoriality, and how does it limit the effects of competition in nature?
8. What problems arise when a species is introduced from a foreign ecosystem? Why do these problems occur?
9. What are selective pressures, and how do they relate to natural selection?
10. Describe several types of adaptations a species might have that would allow it to survive in a dry environment, escape predation, or lower competition with another species.