Name _______________________________________________________ Date _________ Evolution: Evolutionary Arms Race Video Questions 1. What is coevolution? 2. Why has the newt developed a level of toxicity much higher than that necessary to kill most predators? What is the selective pressure on the newt? 3. What is the trade­off for the snake in developing greater resistance to toxicity? 4. Since the dawn of civilization, what is human’s only predator? 5. Why are antibiotic resistant strains of bacteria so prevalent in prisons? 6. How can evolution domesticate a disease? 7. What does mutualistic symbiosis mean? Give an example. 8. Describe the relation among allergies and asthma among children of farmers and non­ farmers.
Judith S. Nuño
Biology
1/26/2006