Chap26_2008 - 3 How is growth rate(r calculated How do you...

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Chapter 26 Population Growth and Regulation Vocabulary abiotic age structure biotic biotic potential birth rate boom-and-bust cycle carrying capacity community competition death rate demography density dependent density independent doubling time ecological footprint ecology ecosystem emigration environmental resistance exponential growth growth rate immigration interspecific competition intraspecific competition invasive species J-curve logistic population growth population replacement-level fertility S-curve survivorship curve Things to Know: 1. List and define the increasing levels of complexity in the field of ecology. 2. What are the 3 factors that determine changes in population size?
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Unformatted text preview: 3. How is growth rate (r) calculated? How do you determine the number of individuals added to a population in a given time period? 4. What type of growth curve is expected from a population growing exponentially? 5. What are 5 factors that influence biotic potential? 6. Describe growth of a population that is represented by an S-shaped growth curve. Figure 26-6a may be helpful. 7. You should know some examples of density dependent and density independent factors of environmental resistance. 8. What is the shape of the human population growth graph on p. 527? 9. You should be familiar with the age structure diagrams in Fig. 26-18 and what they illustrate about population growth....
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