White Blood cells or WBC's are the cells of your immune system. They are your first defense in fighting off foreign invaders and infectious diseases.
-Medical Student (College Level)
Carrier proteins are the proteins in active transport
A light-powered microscope
Answer:
Is an evolutionary sign in the specie
Explanation:
Trough the passing of time, the species changes little by little depending on the environmental conditions and the genetic traits that has from their parents.
Evolution is long term process in which the species start to adapt to their new environmental conditions.
