7. Mutualism
• A relationship in which both species benefit
Cleaner fish
Pollination
Lichens: algae + fungus
www.biology.clc.uc
.edu
www.orn.mpg.de
www4.tpgi.com.au
8. Commensalism
• A relationship in which one species
benefits and the other is neither helped
nor harmed
Barnacles on whale
Shark & remora
www.community.webshots.com
www.cbu.edu
9. Parasitism
• A relationship in which one organisms
benefits and the other is harmed
Tick
Mistletoe
www.oznet.ksu.edu www.wcosf.org
10. Predator - Prey
• Predators are consumers that capture and
eat other consumers, called prey
http://www.uga.edu