Biology > EXAM > NCSU BIO 181 Exam 2 | 85 Questions with 100% Correct Answers | Updated & Verified (All)

NCSU BIO 181 Exam 2 | 85 Questions with 100% Correct Answers | Updated & Verified

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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, evolut... ionary, 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 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 Name density-dependent factors. - ✔✔Disease, competition, predation, parasitism, competition for resources [Show More]

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