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EEMB midterm1 notes

EEMB midterm1 notes - Competitive release Demographic...

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Abiotic factors: nonliving factors that effect distribution Abundance: Biogeographic region: areas based on taxonomic composition of the organisms living in them Biome: terrestrial environment defined by the growth forms of its plants Biotic factors: living factors (interactions between organisms) Carrying capacity: Climate: The average of the atmospheric conditions (temp, wind, precip) found in a region over time Commensalism: relationship between two organisms (+, 0) Community: any ecologically integrated group of species of organisms in a given area Competition: use of same resource by 2 or more species, (resources in insufficient supply) Competition coefficient Competitive exclusion principle: one species completely eliminates another thru competition
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Unformatted text preview: Competitive release: Demographic factors: factors influencing size, density, and population of organisms Density: Density Dependent control: birth/death rates relate to density Density independent control: birth/death rates don’t effect density Dispersal: Disturbance: short term events that disrupt populations, communities, ecosystems by changing environment Distribution: Ecology: study of interactions between organisms and environment and eachother Ecosystem: the organisms of particular habitat Exponential growth: growth in the number of organisims in population which is a geometric function of the size of the growing entity, larger pop=faster growth Food web/chain:...
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