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Symbiotic Relationships

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Sheralyn Au

on 5 December 2012

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Transcript of Symbiotic Relationships

Commensalism Parasitism Bibliography Mutualism one partner (commensal) benefits
the other (host) is unaffected Symbiotic Relationships Carter-Edwards, T., Gerards, S., Gibbons, K., McCallum, S., Noble, R., Parrington, J., Ramlochan, C., et al. (2011). Symbiotic Relationships. Biology 12 (p. 529-532). Toronto: McGraw-Hill Ryerson.

Encyclopædia Britannica Inc. (2012). Parasitism . Retrieved from Encyclopaedia Britannica: http://www.britannica.com/EBchecked/topic/443191/parasitism

Squetch. (2008, June 16). symbiotic. Retrieved from Youtube: http://.www.youtube.com/watch?v=8YKAalZAqO4

Untamed Science. (2012, January 15). Symbiosis: Mutualism, Commensalism, and Parasitism. Retrieved from Youtube: http://.www.youtube.com/watch?feature=player_embedded&v=zSmL2F1t81Q

World Encyclopedia.(2005). Commensalism. Retrieved from Encyclopedia.com:http://www.encyclopedia.com/doc/1O142-commensalism.html

Yam, S. B. (2011, February 28). Mutualistic Relationships. Retrieved from NECSI: http://necsi.edu/projects/evolution/co-evolution/mutualistic/co-evolution_mutualistic.html SYMBIOSIS
Close interactions between 2 species living in direct contact
"symbiont" & "host"
3 forms of symbiosis.
1. Parasitism
2. Mutualism
3. Commensalism Sheralyn Au, Aryan Lajevardi, Sonia Israilova symbiont benefits from relationship, but host is harmed by it
Parasites include:
Unicellular organisms
Various types of worms
Types of parasites
Parasite host cycles are similar to predator prey cycles MISTLETOE ADZUKI BEAN WEEVIL
& WASP both species benefit
two organisms work together common in nature common in aquatic ecosystems LICHEN BULL-HORN ACACIA TREES & STINGING ANTS BEES POLLINATING FLOWERS OXPECKERS & ZEBRAS growth in one population = growth in the other population CLOWNFISH & SEA ANEMONE REMORA & SHARK how both partners are affected is unclear CATTLE EGRET & CATTLE
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