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CrashCourse · Publiée le 26 novembre 2012
Interactions between species are what define ecological communities, and community ecology studies these interactions anywhere they take place. Although interspecies interactions are mostly competitive, competition is pretty dangerous, so a lot of interactions are actually about side-stepping direct competition and instead finding ways to divvy up resources to let species get along. Feel the love? Table of Contents 1) Competitive Exclusion Principle 2:02 2) Fundamental vs. Realized Niche 3:48 3) Eco-lography / Resource Partitioning 5:25 4) Character Displacement 7:29 5) Mutualism 9:15 6) Commensalism 9:55 References http://www.sciencedaily.com/articles/c/competitive_exclusion_principle.htm http://www.youtube.com/watch?v=GbRPDGikcnc http://www.instruction.greenriver.edu/mcvay/ES204%20DE/ES%20docs/animations/gause.swf http://www.sciencedaily.com/articles/e/ecological_niche.htm http://www.stanford.edu/group/stanfordbirds/text/essays/MacArthur's_Warblers.html http://uts.cc.utexas.edu/~varanus/MacArthur.html http://www.jstor.org/discover/10.2307/1383283?uid=3739960&uid=2129&uid=2&uid=70&uid=4&uid=3739256&sid=21101174112437 http://www.cals.ncsu.edu/course/ent591k/symbiosis.html http://www.eoearth.org/article/Community_ecology http://livingseas.org/2011/01/22/killer-whales-stalk-greys/ http://www.ecy.wa.gov/programs/sea/pugetsound/beaches/pool.html http://www.visitolympicpeninsula.org/tidepools.html http://www.annualreviews.org/doi/abs/10.1146/annurev.mi.04.100150.000413?journalCode=micro http://eol.org/pages/484359/overview http://www.geog.ubc.ca/biodiversity/efauna/IntroductiontoSeaAnemones.html http://www.daviddarling.info/encyclopedia/S/symbiosis.html http://blogs.discovermagazine.com/discoblog/2012/03/13/hermit-crab-moves-inside-a-living-sea-anemone-using-it-like-a-shell/ http://sites.sinauer.com/ecology2e/webext11.1.html http://www.stanford.edu/group/stanfordbirds/text/essays/MacArthur's_Warblers.html http://www.annualreviews.org/doi/pdf/10.1146/annurev.es.06.110175.000245 Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Instagram - https://www.instagram.com/thecrashcourse/ CC Kids: http://www.youtube.com/crashcoursekids
