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Subject: Chapter 14 Author: Ms. Earp [ Next Thread | Previous Thread | Next Message | Previous Message ] Date Posted: 01/11/05 1:25:55pm PDT In reply to: Ms. Earp 's message, "A Plague of Frogs: The Horrifying True Story- Study Guide Questions" on 01/11/05 1:05:18pm PDT CHAPTER 14: The Green Mountain 1. What was the focus of Johnson’s work? 2. Describe the statistics Johnson found in these ponds. 3. Why did Johnson narrow his search to only 4 ponds? 4. What factors made Johnson’s experiment more “real” or widely accepted than previous experiments? 5. Explain the difference between mechanically disturbing the limb and by some sort of chemical signal. 6. What are the two categories of deformities according to Stan Sessions? 7. Who is Dan Sutherland and what was his opinion on the Johnson’s results? 8. If the parasite theory was found to be the sole cause, would it have an effect on humans? Why or why not? 9. What does the phrase snail-parasite-frog complex mean? 10.Why do scientists not believe parasites are the sole cause? 11.What is a variable phonology? 12.What did the discovery of Ribeiroia at the deformities sites in Minnesota result in? 13.What did Johnson find at “Danube”? 14.According to Martin Ouellet’s report, what were some biotic and abiotic factors involved? 15.What was Martin Ouellet’s frustration at this point in the study? 16.What did the radiographs show? 17.Why was spongiform bone a contraindication of parasitism? 18.Why was it not enough to say parasites cause deformities? 19.What do biologists refer to as “recruitment”? 20.Explain the concept of carrying capacity. 21.What is the reproductive strategy of frogs according to Dave Hoppe? 22.What is a lunker? 23.What is Aeromonas hydrophilia and what effect did it have on the leopard frog population? 24.Why was A. hydrophila able to infect the frogs when it had not been able to in the past? 25.What is Alan Pounds known for? Explain his work. [ Next Thread | Previous Thread | Next Message | Previous Message ]