Pubic lice can live away from the body for one to two days, particularly if their stomachs are full of blood

Reflex responses, which are central to classical conditioning, are

a. learned responses to specific stimuli. b. naturally elicited, unlearned responses. c. conditioned behaviors. d. naturally occurring associations between stimuli.

Each of the following is true of research findings on homosexuality except ________

a. there is a higher incidence of homosexuality among men from families with other gay men or men who have a homosexual twin b. children raised by gay or lesbian parents are more likely to become homosexual c. homosexual men and women generally knew before puberty that they were "different" d. studies have shown there are anatomical and physiological differences between the brains of homosexual and heterosexual men