1. Types of Relationships in Ecosystems Notes page 73

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

4. Competition Organisms compete for resources or same goal that two cannot attain –Ex.) Plants in the Rainforest competing for light –Two birds competing for a mate

5. Symbiosis Close, long-term relationship(s) between different species within an eco-system. 3 Major types- Mutualism, Commensalism, and Parasitism

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

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

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

9. Digger Bee & Palo Verde Mutualism

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

11. Mutualism Mexican Long-tongued Bat & Palmer Agave

12. Phainopepla & Mistletoe Mutualism http://waynesword.palomar.edu/plnov99.htm http://www.laspilitas.com/California_birds/Silky_flyc atcher/Phainopepla..htmlhttp://www.laspilitas.com/California_birds/Silky_flyc atcher/Phainopepla..html

13. Cowbird & the Oriole Parasitism

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

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

16. Hummingbird & Ocotillo Mutualism http://www.desertmuseum.org/pollination/hu mmingbirds.php

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

18. Desert Tortoise / Prickly Pear Mutualism

19. 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)

20. Javelina and Mesquite Mutualism

21. Gila Woodpecker & Saguaro Commensalism

22. Broomrape & Bursage Parasitism

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