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Ch 20 Lessons 1 & 2

TermDefinition
competition the demand for resources, such as food, water, and shelter, in short supply in a community
limiting factor anything that restricts the size of a population
population density the size of a population compared to the amount of space available
carrying capacity the largest number of individuals of one species that an environment can support
birthrate the number of offspring produced over a given time period
deathrate the number of individuals that die over the same time period
extinct species a species that has died out and no individuals are left
endangered species a species whose population is at risk of extinction
threatened species a species at risk but not yet endangered
migration the instinctive seasoned movement of a population of organisms from one place to another
Created by: swhite2015
Popular Ecology sets

 



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