Relationships of Ecosystems Notes page 75 PredatorPrey An

Relationships of Ecosystems Notes page 75

Predator/Prey • An organism KILLS and EATS all or part of another organism.

Competition • Organisms compete for resources or same goal that two cannot attain – Ex. ) Plants in the Rainforest competing for light – Two zebras drinking from the same watering hole

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

Mutualism • This is a winwin 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 • tick flea

Digger Bee & Palo Verde • Mutualism

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

Mexican Long-tongued Bat & Palmer Agave • Mutualism

Phainopepla & Mistletoe • Mutualism • • http: //waynesword. palomar. edu/plnov 99. htm http: //www. laspilitas. com/California_birds/Silky_flyc atcher/Phainopepla. . html

Cowbird & the Oriole • Parasitism

Wood Rat & Prickly Pear • Mutualism • • http: //www. arizonahighways. com/custom. cfm? name =c_nature. cfm&secid=33&id=144 http: //www. desertusa. com/magoct 97/oct_pa/du_prk pear. 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/hu mmingbirds. php

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

Desert Tortoise / Prickly Pear • Mutualism

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

Javelina and Mesquite • Mutualism

Gila Woodpecker & Saguaro • Commensalism

Broomrape & Bursage • Parasitism

Yucca & Yucca Moth • Mutualism • http: //waynesword. palomar. edu/ww 0902 a. htm