The relationship(s) between organisms within an eco-system.

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Presentation transcript:

The relationship(s) between organisms within an eco-system. Symbiosis The relationship(s) between organisms within an eco-system.

Mutualism This is a win-win relationship Both organisms benefit from each other  

Commensalism This is a win-?? (no one cares) relationship One organism benefits, the other one doesn’t care – it isn’t helped or harmed.  

Parasitism This is a win-lose relationship One organism benefits, the other is harmed   flea tick

Digger Bee & Palo Verde Mutualism

Gila Woodpecker & Screech Owl Commensalism http://helios.bto.ed.ac.uk/bto/desbiome/saguaro.htm

Mexican Long-tongued Bat & Palmer Agave Mutualism

Phainopepla & Mistletoe Mutualism http://waynesword.palomar.edu/plnov99.htm http://www.laspilitas.com/California_birds/Silky_flycatcher/Phainopepla..html

Cowbird & the Oriole Parasitism

Mutualism Wood Rat & Prickly Pear http://www.arizonahighways.com/custom.cfm?name=c_nature.cfm&secid=33&id=144 http://www.desertusa.com/magoct97/oct_pa/du_prkpear.html

Cactus Wren & Cholla Cactus Commensalism http://www.arizonahighways.com/custom.cfm?name=c_nature.cfm&secid=37&id=100

Hummingbird & Ocotillo Mutualism http://www.desertmuseum.org/pollination/hummingbirds.php

Commensalism Saguaro & Palo Verde http://lowenddslr.com/photos/sabino-canyon-nursery-tree.php

Desert Tortoise / Prickly Pear Mutualism

Mistletoe and Mesquite Parasitism http://helios.bto.ed.ac.uk/bto/desbiome/parasite.htm Mistletoe is a parasite. It lives off of another plant. (They like Mesquite trees)

Javelina and Mesquite Mutualism

Gila Woodpecker & Saguaro Commensalism

Broomrape & Bursage Parasitism

Yucca & Yucca Moth Mutualism http://waynesword.palomar.edu/ww0902a.htm