Reference no: EM133516783
Questions
1. What characteristics of the graphs show that there was variation in the population?
2. How much variation was in the population in 1976?
3. How much variation was in the population in 1978?
4. What happened to the population size between 1976 and 1978?
5. What other changes occurred in the population?
6. Based on the data, what is the approximate average beak depth of the population in each year?
7. Based on these limited data, which mode of selection seems to have operated on the finches?
8. What do you hypothesize could have caused this change between 1976 and 1978? Describe a possible ecological relationship between drought and beak size.
9. Assume the drought continues for another 2 years. If natural selection is occurring, what would you expect to see in future generations?