Which species is probably the most aggressive on earth?

What conclusion did Francis Galton reach after studying eminence in samples of families in England?

a) Eminence runs in families because it is an inherited characteristic. b) Eminence results when individuals inherit a gene related to insanity. c) Eminence is the result of a genetic mutation, thus its appearance cannot be predicted within families. d) Eminence runs in families as a result of environmental factors such as wealth and access to education.

The ability to excel in a number of tasks, especially those related to success in schoolwork, is a common American definition of

a) creativity. b) intelligence. c) crystallization. d) cognitive affluence.