Biol 104, Dr. Espinoza, S10 Study Sheet for Chapter 44 Ecology of Populations Biology 104 Modified with permission from Dr. Denny Smith Some of this information will be found in your readings, some in your lecture notes. 1. Define the following terms: ecology, environment, biotic factors, abiotic factors, habitat, population, community, ecosystem, range, and energy flow. 2. What is population ecology? Why is it important that we study population ecology? What is the link between population ecology and evolution and diversity? 3. Explain how demographic factors characterize a population of organisms. 4. What is the difference between population density and population distribution? 5. Give examples of nonliving (abiotic) and living (biotic) resources of an environment that support living organisms, and explain how they influence a population’s distribution. 6. Name, describe, and give examples of the three distribution patterns found in nature. Is the pattern of distribution always stable? 7.
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