at high power of magnification focus on the layer of the epidermis that appears purple beneath the most superficial layer. what are the purple-stained apparent particles that occur in the cells of this layer examined on an h&e slide of thick skin​

Migration is a. the movement of organisms from a native location to a foreign location b. the movement of organisms from a foreign location to a native location the movement of organisms from their water supply to their food supply d. the seasonal movement of organisms between locations c. select the best answer from above

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes

In general, characteristics that an organism survive and reproduce become more common in a population over time. what mechanism of evolution cause this change?