Beak of the Finch
Guiding Question: What mechanism changed the beak of the finch over time?
Directions: Gather evidence from this page to support your claim. You may not use any other webpages or sources. Organize your evidence in a Claim Evidence Reasoning poster on the whiteboard.
Step 1) Gather Evidence
Step 2) Make a Claim
Step 3) Justification of Evidence
Mean (average) beak depth of medium ground finches on Daphne Major from 1976 to 1985.