An undifferentiated cell of a multicellular organism which is capable of giving rise to indefinitely more cells of the same type, and from which certain other kinds of cell arise by differentiation.
White blood cells ( lymphocytes is correct though)
A. chemicals, the constriction of the pupil are usually caused by opiates anti-hypertension drugs.
Answer:
A
Explanation:
As the species seperated they formed a differnt beak based on what they ate.
