The sense of smell is adaptive in that
a. it aids in the location of food.
b. it allows us to detect decaying food.
c. it signals sexual receptivity in some mammals.
d. smell can mark the boundaries of a territory.
e. All of the above are correct.
e. All of the above are correct.
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Cross-sex friendships result in problems when
the male and female meet each others' needs. females offer advice to males. males offer sympathy to females. outsiders assume the relationship is sexual.
Which of the following is a characteristic of jealousy?
A) Feelings of affection B) Feelings of self-satisfaction C) Feelings of mistrust D) Feelings of indifference
Which of the following is NOT one of the conditions that indicate depression?
a. having an intense focus, being detail-oriented, and making quick decisions b. persistent sad, anxious or "empty" feelings c. feelings of guilt, worthlessness, and/or helplessness d. loss of interest in activities or hobbies once pleasurable, including sex
The ability of worms and jellyfish to learn is notable because they each have:
a CNS but not a PNS. no recognizable brain. no neurons. very large brainstems.