Homework for 7th Block Biology 11/21/2013

Read "Finches in a Drought" and complete the following:

1.)  Look at the graphs in the reading showing the beak depth in 1976 and 1978: 

A.Write 3 Highlight Comments for these graphs:

•What do I see in this graph?

•What does this data mean?

B.Write a caption for each graph that summarizes the main point of the graph. 

2.(#8 p. 108)  Answer this question in your journal:

  How do you think a scientist would explain what caused the finches’ beaks to change between 1976 and 1978?

  Consider what changed, when and why.