Proposed Lesson Sequence:
1: Symbiotic Interactions: Mutualism, Commensalism, and Parasitism
2: Importance of symbiotic interactions in the world around us
http://www.mediajunk.com/public/archives/2006/11/the_internet_arms_race.html
1: Symbiotic Interactions: Mutualism, Commensalism, and Parasitism
2: Importance of symbiotic interactions in the world around us
http://www.mediajunk.com/public/archives/2006/11/the_internet_arms_race.html