4.) if someone has blue eyes, which macromolecule actually causes the pigment in your eyes to be blue and which macromolecule has the information to make your eyes blue?

Melanin is what makes the color of the eyes, skin, and hair dark. The absence of melanin makes those body parts lighter in color.  Human traits are controlled but monogenic traits, only one gene such as the eye base color whether brown or blue.

the answer is z.

the human body has five levels of organization. level 1: cells. cells are the basic units of life and form the first level of organization. cells in the human body have specific functions. examples include nerve cells, blood cells, liver cells, and so on.