The enzyme that would be most important for digesting a skinless chicken breast would be

The enzyme that would be most important for digesting a skinless chicken breast would be a PEPTIDASE. 
A skinless chicken breast is a proteinous food and peptidases are enzymes which break down proteins by hydrolysis of the peptide bonds which joined the amino acids of proteins together.

It is evolution, because we all have some of the same traits like eye color or shape or ears.

1. protection 2. homeostasis 3. storage4.blood formation5.bone marrow 6.movement