About 60 percent of in vitro conceptions do not implant

Jim, who was 60, couldn't understand why he kept slowly gaining weight. He wasn't eating any more than usual and he maintained his regular exercise routine. What explains his weight gain?

His metabolism slowed down by a third between emerging and late adulthood. His intake of water was insufficient, so it was water weight gain. He really wasn't gaining weight; his height was decreasing. His medication increased his appetite though he wasn't aware of it.

Which animal psychologist was the first to suggest that humans have an innate caretaking and nurturing mechanism that is triggered by the features of a baby's face?

a) Martin Seligman b) Gregor Mendel c) Konrad Lorenz d) Charles Darwin