Chapter 1 - BIO 3250 - Ecology
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9 Terms
ecology (literal definition)
the study of our house (Earth)
ecology is the study of the relationships between… (contemporary definition 1)
organisms and their environments
ecology is the study of the interactions that determine… (contemporary definition 2)
the distribution and abundance of organisms
ecological hierarchy
the “upper half” of the biological hierarchy (what ecologists specifically study)
organismal ecology (aka physiological ecology)
adaptations of individuals to the abiotic components of their environment
population
a group of organisms of the same species in a certain area at a certain time
population ecology
factors that affect population dynamics (density and growth)
density
amount per unit area
growth
change in population size over time (quantitative)