Relationships in Ecosystems
Competition All living things compete for Food Space Competition limits population growth www.opim.wharton.upenn.edu
Symbiosis Any close relationship between species en.wikipedia.org
Mutualism A relationship in which both species benefit Pollination www.biology.clc.uc.edu Cleaner fish Lichens: algae + fungus www.orn.mpg.de www4.tpgi.com.au
Commensalism A relationship in which one species benefits and the other is neither helped nor harmed Shark & remora Barnacles on whale www.community.webshots.com www.cbu.edu
Parasitism A relationship in which one organisms benefits and the other is harmed Mistletoe Tick www.wcosf.org www.oznet.ksu.edu
Predator - Prey Predators are consumers that capture and eat other consumers, called prey http://www.uga.edu
Cooperation Organisms working together toward a common end or purpose http://special.newsroom.msu.edu http://forger.ca/