From adolescence to middle adulthood, there is a positive correlation between age and self-esteem.

Receptor cells in the retina responsible for color vision and fine acuity are __________

a) bipolar cells b) ganglion cells c) rods d) cones

Experienced whale trainer Dawn Brancheau was killed by one of her favorite killer whales during a 2010 show at Sea World in Orlando, Florida. Animal experts believed that the whale had simply reverted to normal whale behavior; illustrating ____

a. ?trainer?animal conflict b. ?instinctive drift c. ?innate aggression d. ?species incompatibility