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Ecosystems Vocabulary Population Density The average number of specific organism that live in a certain area Biotic Fish Coral Describes living factors in the environment Abiotic Water Sand Describes the nonliving part of the environment, including water, rocks, light, and temperature Organism A single, living thing Organism Insert your photo here. A single, living thing Population A group of organisms of the same species that live in a specific geographical area Community All the populations of species that live in the same habitat and interact with each other Ecosystem A community of organisms and their abiotic environment Biosphere The part of Earth where life exists Carrying Capacity The largest population that an ecosystem can support at any given time Symbiosis A relationship in which two different organisms live in close association with each other Mutualism The bee gets pollen The flower gets pollinated 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 Parasitism The tomato hookworm will be eaten alive The baby wasps will get food A relationship between two species in which one species, the parasite, benefits from the other species, the host, which is harmed Limiting Factors Food Water Space Resources that limit how big a population can get Adaptation Fish swim in schools to appear bigger and ward off predators. Organisms have to adapt (change for the better) in order to survive Oxidation A chemical reaction in which an element combines with oxygen Habitat Where an organism lives Niche The role or function of a species within an ecosystem Autotroph An organism capable of making nutrients for itself from an inorganic sources (example: photosynthesis) Carbon Cycle The exchange of carbon between the environment and living things • • • • • • • • • • • • • • • • • • www.wallpapers-land.net/Playful_kittens www.movies-ignatiusarthurgarth.blogspot.com/2011 www.botswanaodyssey.com/.../botswana-safari.htm www.debrarubyphotography.com/photo597127.html www.wisconsinvoices.com/blog/2007/08/pygmy-el... www.africanoffroadtours.com/zebra01.htm www.listze.com/lists/World-Endangered-Species msuhyenas.blogspot.com/2009/01/big-bad-africa... www.getawayafrica.com/index.php?id=873 www.wildlife-pictures-online.com/baby-hippo_0... www.psdgraphics.com/.../world-globe-background/ blog.adw.org/wp-content/uploads/2009/09/ http://www.topnews.in/files/Mickey-Mouse-kangaroo.jpg http://blog.nj.com/ledgerupdates_impact/2008/08/large_BIG%20CAT%20FOUND.JPG ://schaechter.asmblog.org www.physicalgeography.net/fundamentals/9f.html ncssmapes.wikispaces.com/Janice+T2 3.bp.blogspot.com/.../s1600/ocean1.jpg