The fact that men report less pain if they are observed by an attractive female scientist than if they are observed by a male most likely suggests that ____.
a. men are more likely to discriminate against female scientists
b. the presence of a woman causes endorphin surges in men that increase their threshold for pain
c. pain sensitivity can be influenced by environmental factors
d. male scientists are better at diminishing observer effects
Question 2
The brain's ability to change and reorganize with experience is called ____.
a. plasticity c. adaptability
b. sacristy d. malleability
Welwitschia-mirabilis-female
Mars sketched as observed by Lowell sometime before 1914. (South top)
Female burnet moths (Zygaena filipendulae) perch on purple blossoms
A zebra orchid (Caladenia cairnsiana) mimics the scent of a female wasp