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NCSU BIO 181 Exam 2 Questions and Verified Answers | Passed | A+

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What is ecology? : the study of how organisms interact with each other and with their environment What are the 5 areas of ecological study? : -Organismal: study of physiological, evolutionary, and behavioral mechanisms used by individual organisms to meet ecological needs -Population: how populations interact with their environment, how and why the # of individuals changes over time, the proportion of males to females, age of individuals, how likely they are to reproduce or die (Characteristics: range, spacing pattern, changes in size over time) -Community: Interacting populations of same and different species living within a given area -Ecosystem: study of changes in the community in response to changes in abiotic components of the ecosystems -Landscape: study of energy and matter (including organisms) exchanges between ecosystems 2 Name abiotic factors. (5) : Sunlight, temperature, rainfall (water), soil conditions, geography Biotic factors : living portion (animals, plants, decomposers, etc) What is a population? : A group of individuals of the same species inhabiting the same area


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