Q1. Recall Pasteur’s experiment on spontaneous generation. Originally he used sealed and unsealed flasks instead of sealed and swan-necked flasks. Critics claimed that the experiment was inconclusive. Which of the criticisms would be addressed by using a swan-necked flask instead of the unsealed flask?

Q2. Develop a hypothesis to consider how a decrease in precipitation on Darwin Island might affect beak size and develop a hypothesis to explain how a decrease in precipitation might influence population numbers for these finches over time.