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The branch of ecology concerned with the morphological, physiological, and behavioral ways in which individual organisms meet the challenges posed by their biotic and abiotic environments
The study of how members of a population interact with their environment, focusing on factors that influence population density and growth
The study of how interactions between species affect community structure and organization
The study of energy flow and the cycling of chemicals among the various biotic and abiotic factors in an ecosystem
The application of ecological principles to the study of land-use patterns; the scientific study of the biodiversity of interacting ecosystems
All the organisms that inhabit a particular area; an assemblage of populations of different species living close ennough together for potential interaction
Several different primarily terrestrial ecosystems linked by exchanges of energy, materials, and organisms
All the organisms in a given area as well as the abiotic factors with which they interact; a community and its physcial environment
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