Scenario 2. Now pretend the predatory fish was not introduced. The population is 20,000 and freq(B) = 0.5. There are not observable differences in the survival or reproductive success of individuals that is related to their spots. A drought drastically reduces the size of the pond, and the population drops to 100 individuals. Twenty years after the drought, the frequency of B is 1.0. A. After the drought, the R allele was ( fixed / lost ). B. Which evolutionary force best explains the change in the frequency of R in Scenario 2? Explain your choice. a. Natural selection b. Genetic drift c. Gene Flow d. Mutation e. Non-random Mating C. What are two (2) different ways that the population could re-gain variation for this gene?

Why do men typically have a greater lung capacity than women of equal size? a. They have larger lungs b. Men breathe more deeply than women

What is the primary purpose of a bronchoscope? a. To view the inside of the bladder b. To view the inside of the lungs c. To view the inside of the stomach d. To view the inside of the heart     Only answer needed

Briefly explain how particulate and high energy radiation can be harmful to humans. In part 1 you are asked to briefly explain why it is dangerous to humans. Think about what the radiation can do to the body and the consequences of this. 150 words, write on paper please