You got this from edg, am I correct. Well he had evidence by drawing and saw the differences between between normal finches to to the ones of Galapagos island. There were 4 different finches, two had a thick beak and two others had thin beak for small wholes where insects might be hiding. He observed the differences between the beaks.
Explanation:
Answer:
D) the sum of all physical properties of a substance
E answer to your problem is SUGAR AND PHOSPHATE
Polypeptide is a sequence of amino acids