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APES Study Guide-Ch.5 Define the following Terms: Native species Invasive species Pioneer species Keystone species Foundation species Indicator species Resource partitioning Interspecific vs. intraspecific competition Climax Community Parasitism Mutualism Commensalism Exploitation competition Exponential vs. logistic growth Interference competition Environmental resistance Opportunist r- selected species vs. K-selected species Biotic potential Intrinsic rate of increase Review Questions. Answer each in a complete sentence: . 1. 2. 3. 4. 5. Distinguish between population size, density, dispersion, and age structure. List the three categories of an age structure diagram. Distinguish between stable, irruptive, cyclic, and irregular population changes. Contrast clumped, uniform, and random dispersion. Distinguish among three forms of symbiotic relationships and give one example of each: parasitism, mutualism, and commensalism. 6. Define succession. Distinguish between primary and secondary succession. 7. Summarize the intermediate disturbance hypothesis. 8. Distinguish among the following types of stability and give an example of an ecosystem which exemplifies each: inertia, constancy, and resilience. Evaluate the interaction of stability and diversity. 9. Summarize the theory of island biogeography. Imagine two islands of two different sizes and distances from the mainland. Predict which would show the greatest species diversity. Defend your position. 10. Distinguish between r-selected species and k-selected species, and give two examples of each. Draw the type of survivorship curve you would expect each type of species to exhibit. 11. Distinguish between density-dependent and density-independent checks on population growth, and list three examples of each. 12. List three types of population curves found in nature, and identify one organism which exemplifies each.