hey there! so im gonna go with finch Y because of the size of the beak if you pay VERY close attention to the passage it states "into small narrow folds" for this the birds beak would have to be short and skinny which would eliminate finches y and w which leaves finches y and z.
i hope this helped and good luck :)
The answer to this question is : Phospholipids <span />
ACCORDING TO MENDEL LAW OF DOMINANCE, PURPLE COLOR IS A DOMIMANT TRAIT WHILE WHITE COLOR IS A RECESSIVE ONE...
