Look at the plots of average beak size over time. What do you observe? Do you notice any trends in beak size? Click on the Population button and look at the plots of population numbers over time. What changes do you see? Do the two islands differ? Does the data support or refute your
On Darwin Island, the total number of finches is about 30.
They have shallow beaks suitable for cracking soft seeds.
Half of them have lost their lives possibly because the type of seeds does not suite their beaks.
Very few finches can survive on Darwin Continue reading...