Please help with my bio

Where in the body can you find chemoreceptors? a. on the skin and ears, to detect pressure, touch, motion, and sound b. on the retina, to detect a single photon of light c. on the skin, to detect temperature or specific chemicals d. on the tongue and in the nose, to detect taste or odor

How does the author's purpose in this passage differ from an author writing about her personal struggle living with asthma?

How do adaptation affect a species?