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Ecology wilson

Bio note cards september 27th

QuestionAnswer
Ecology the scientific study of interactions among and between organisms and their environment or surroundings
biosphere part of earth in which life exists including land, water, and air or atmosphere
species group of similar organsisms that can breed and produce fertile offspring
population group of individuals ofthe same species that live in the same area
community assemblage of different populations that live together in a defined area
ecosystem collection of all the organisms that live in a particular place, together with their nonliving environment
autotroph organism that can capture energy
heterotroph organism that contains evergy from the food it consumes (consumer)
food web network of complex interactions formed by the feeding relationships among the various organisms in an ecosystem
trophic level step in a food chain or food web
biomass total amount of living tissue within a given trophic level
biogeochemical cycle process in which elements, chemical compounds, and other forms of matter are passed from one organism to another and from one part of the biosphere to another
limiting nutrient signle nutrient that either is scarce or cycles very slowly, limiting the growth organisms in an ecosystem
weather condition of Earth's atmosphere at a particular time and place
climate average, year after year conditions of temperature and precipitation in a particular region
green house effect natural situation in which heat is retained in earths atmosphere by carbon dioxide methane water vapor and other gases
biotic factor biological influence on organisms within an ecosystem
abiotic factor physical or nonliving factor that shapes an ecosystem
niche full rang of physical and biological conditions in which an organism lives and the way in which the organism uses the conditions
logistic growth growth pattern in which a populations' growth rate slows or stops following a period of exponential growth
Created by: courtneywilson
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