The trait approach identifies where a person might lie along a continuum of personality characteristics

At first, babies are sensitive to virtually all speech sounds, but around 6 months, they

A) gain musical rhythm perception. B) begin to perceive grammatical structure in sentences. C) narrow their focus, limiting distinctions to the language they hear and will soon learn. D) show a preference for their native tongue.

According to evolutionary psychology, which behavior can be explained by evolutionary principles?

a. being afraid of snakes b. liking foods rich in protein and sugar c. forming emotional bonds with parents d. all of the above