By Ambar A, Laurence T, Ben H, Sam H, Grace W, Jaclyn C, Beyra T, Ross L, and Jackson L.
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Transcript of By Ambar A, Laurence T, Ben H, Sam H, Grace W, Jaclyn C, Beyra T, Ross L, and Jackson L.
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THE EFFECT OF SPIDER WEBS ON APIS MELLIFERA FEEDING BEHAVIOR
By Ambar A, Laurence T, Ben H, Sam H, Grace W, Jaclyn C, Beyra T, Ross L, and Jackson L
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Introduction Why are Apis mellifera disappearing
so quickly? Do bees have the ability to see a
predator’s home and avoid it? Hypothesis and Prediction: If the Apis
mellifera avoid predators because they can see the lair, and avoid these areas, and we set up 2 feeding dishes, one that is our control and one with a predator’s lair on it, then the bees should avoid the dish with the lair.
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Method
Experimental design Number of bees fed and where Observations of bee behavior 15 minutes
Switch petri dishes every 2.5 min.
Sample size n=94
Figure 1: Experimental Design
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Results
04080
NUMBER OF BEES ON FEEDING DISHES
Control DishExperiment DishTotal
Control Dish
Experimental Dish
Total P-Value
Group 1 30 21 510.13121
9
Group 2 14 11 250.34501
9
Group 3 16 2 180.00065
6
Groups Combined
60 34 940.00477
4
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Control Dish
Experimental Dish
Total P-Value
Group 1 30 21 510.13121
9
Group 2 14 11 250.34501
9
Group 3 16 2 180.00065
6
Groups Combined
60 34 940.00477
4
Conclusion
Apis mellifera actively avoid environments that may subject the organisms to danger, such as spider webs.
Data and research shows: Apis mellifera's vision is an important part of their ability to defend
against predators. (Blackledge, 1999)
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Thank You! The Nieh Lab
Dr. Eben Goodale
Jim Berrian and James Hung
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Works Cited Drees, B.M. "Honey Bee." Entomology at Texas A&M
University - Home. Agrilife. Web. 02 Sept. 2011. <http://insects.tamu.edu/fieldguide/cimg341.html>.
Kaplan, Kim. "ARS : Questions and Answers: Colony Collapse Disorder." ARS : Home. United States Department of Agriculture, 17 Dec. 2010. Web. 05 Sept. 2011. <http://www.ars.usda.gov/News/docs.htm?docid=15572>.
“Bee Research Products and Services." ARS : Home. United States Department of Agriculture, 6 Sept. 2007. Web. 16 Oct. 2011. <http://www.ars.usda.gov/Services/docs.htm?docid=15908>.
"Honeybee Colony Collapse Disorder | Pesticides | US EPA." US Environmental Protection Agency. United States Environmental Protection Agency, 18 Feb. 2011. Web. 05 Sept. 2011. <http://www.epa.gov/pesticides/about/intheworks/honeybee.htm>.
Blackledge, Todd A., and John W. Wenzell. "The Evolution of Cryptic Spider Silk: a Behavioral Test." Behavior Ecology. Oxford Journals, 26 July 1999. Web. 8 Nov. 2011. <http://beheco.oxfordjournals.org/content/11/2/142.full>.