biological pillar : In the first scene it shows the sense smell. It seems that Remy has a key sense of taste and smell. He wants to be a chief, but he is a rat so he has zero chance of being a chief. His dad then put him on duty of smelling the trash to see if it's any of it has poison. He was happy at first but his dad acknowledge his strange ability, but still was disappointed.
cognition pillar :Remy is a rat who dreams of being a cook and he knows that, but his dream is way big and gets him blinded by the fact that he is a rat.
Life span development : In the movie was see that Remy started adapt to linguini and that he isn't going to hurt him. Another thing is Linguini also adopts to Remy and They become besties and help each other.