Biochemistry because it does not have to do with the erosion
Convergent Evolution because the finches beaks had to adapt to the different terrain based on what they access of to eat.
Hey pizzalover! The answer from this question would be
a. oxygen
Hope it helps
Energy needs Birds because they are warm-blooded and have powerful muscles to beat their wings. Birds must eat food with a high energy content. .the seeds soften and become easier to digest.