Beak of the Finch

spot-finch-female.jpg

Guiding Question:  What mechanism caused the evolution of the medium ground 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)  Use reasoning to connect your evidence to your claim.


Evidence

 

Finch Data (Google Sheet) - click here

Mean (average) beak depth of medium ground finches on Daphne Major from 1976 to 1985. 

139392_Finch_Beak_adaptation.JPG
The_Galápagos_Finches__Island_Ecosystem.jpg
The_Galápagos_Finches__Island_Ecosystem-2.jpg
Medium_ground_finch_-_Wikipedia.jpg
Chapter_5_Solutions___Elements_Of_Ecology_8th_Edition___Chegg_com.jpg
Chapter_5_Solutions___Elements_Of_Ecology_8th_Edition___Chegg_com-2.jpg