This Why Files informative page is part of a series that features the narrative of Bob, the bobtail squid. Bob describes the symbiotic relationship formed between his ancestors and the bioluminescent bacteria that offer him protection from predators. The next page in this series describes the relationship from the enslaved bacteria's perspective and features scientist Margaret McFall-Ngai. Links are provided to glossary terms and a bibliography.
As disease-infected mosquitoes expand their range, these bugs rise higher on the "menace to human health" list. What makes mosquitoes so perfect for disease transfer? Is global warming a factor? How is modern technology being harnessed to combat skeeters? National standards included for grades 5-12. Teacher resource page at http://whyfiles.org/teachers/016skeeter/.