BIO 181 North Carolina State University -NCSU BIO 181 Exam 2 correctly answered

NCSU BIO 181 Exam 2What is ecology? - correct answer the study of how organisms interact with each other and with their environment What are the 5 areas of ecological study? - correct answer -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 Name abiotic factors. (5) - correct answer Sunlight, temperature, rainfall (water), soil conditions, geography Biotic factors - correct answer living portion (animals, plants, decomposers, etc)