BIO 4130 Lecture Notes - Lecture 16: Georgy Gause, Robert Macarthur

9 views4 pages

Document Summary

Competition occurs when individuals of the same ordifferent speciesshare limited resources thateffect thegrowth survival reproductionofeach species negatively. Ex eachcaterpillar chews as much leaf as it. Exploitation competition aphids caterpillars competefor butorferencecompetition beetle and caterpillar usephysical common resource intimidation butraspecific interference competition. Abiotic resources such as light water and nutrientsthat can resources more efficiently be consumed to depletion so consuming orquickly than your competitionoffersan vantage can be sane or different species. How is competition for space different between sessile and mobile organisms. Living or dead organic matter derivedfromotherliving organisms akafood. 7heiokta volkrra. m. de ofpredatorpreydynamic two species competingforthe same resource. Predators can limit prey populations this keeps populations below. Predatorandprey populations increase and decrease in regular intervals. Predatorsgo hungry anddecline in number with fewer predators prey survivebitterandincrease. Predator populations will starve in the absence ofpreypopulations lie they will not switch toeatingsomething else. Predator populations grow based on the number of prey deathrates independentof prey abundance.