types of relationships in ecosystems notes page 73
TRANSCRIPT
Types of Relationships in Ecosystems
Notes page 73
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 birds competing for a mate
SymbiosisClose, long-term relationship(s) between different species within
an eco-system.
3 Major types- Mutualism, Commensalism, and Parasitism
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
tick flea
Gila Woodpecker & Screech Owl
• Commensalism• http://helios.bto.ed.ac.uk/bto/desbiome/
saguaro.htm
• Mutualism
Mexican Long-tongued Bat & Palmer Agave
Phainopepla & Mistletoe
• Mutualism• http://waynesword.palomar.edu/plnov99.htm• http://www.laspilitas.com/California_birds/
Silky_flycatcher/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/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
Saguaro & Palo Verde•Commensalism
• 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