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Biology Quizlet #15

16 Terms Quater 3

TermDefinition
exponential growth growth whose rate becomes ever more rapid in proportion to the growing total number or size.
carrying capacity Largest number of individuals of a population that a environment can support
limiting factor Any biotic or abiotic factor that restricts the existence, numbers, reproduction, or distribution of organisms.
symbiosis A close relationship between two species that benefits at least one of the species.
mutualism A relationship between two species in which both species benefit
commensalism A relationship between two organisms in which one organism benefits and the other is unaffected
extinction A term that typically describes a species that no longer has any known living individuals.
density-dependent limiting factor limiting factor that depends on population size
density-independent limiting factor limiting factor that affects all populations in similar ways, regardless of population size
population density The number of individuals in an area of a specific size
population dispersion way in which individuals of a population are spread out over an area or volume
immigration Movement of individuals into a population
parasitism A relationship between two organisms of different species where one benefits and the other is harmed
emigration movement of individuals out of a population
logistic growth Population growth that is controlled by limited resources
predation An interaction in which one organism captures and feeds on another organism
Created by: rathburn74
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