Write a sentence or two property using all these terms showing their relationship to each other. histology, tissues, microscope, histologist gross examination, diagnose and biopsy.

As you sit in the library with your friend studying for your weekly quiz on the integumentary system, you come upon an article about the hazards of prolonged exposure to the sun's rays. your curious nature leads you to research the subject further. you're fascinated to learn that minimal exposure to the sun allows you skin to manufacture vitamin d, which is important to maintain homeostasis. you also read that although sunscreen can protect you from the ultraviolet (uv) rays of the sun, some medications can actually increase a person's sensitivity to the sunlight.

How could you find out if that advice is based in scientific evidence?

How could natural selection best be used to explain the evolution of the white fur of arctic fox