Which word has the same base word as protection?

Why does the author follow up on the story of martin torres near the end of the article? what important ideas does this part of the article support?

What do the metaphors suggest about collins's thoughts on aging? a.that he believes it is a frightening experience b.that he believes it is bearable in a loving relationship c.that he believes it only happens to the weak d.that he believes it happens to everyone

Aspot in middle of the retina that only contains cones is called the