If you wanted to train a dog to play the piano or a cat to turn on the living room lights, you would most likely use

Which of the following statements about heredity and intelligence is TRUE?

A) Similarities in intelligence between identical twins who were separated at birth and raised in different houses must be due to heredity. B) Differences in intelligence between identical twins who were separated at birth and raised in different houses must be due to heredity. C) Differences in intelligence between identical twins must be due to differences in their environments. D) If identical twins are separated at birth and raised in different homes, yet still have similar intelligence scores, the similarity in their scores must be due to hereditary influences.

Which of the following personality characteristics has been found to be correlated (positively or negatively) with fear or anxiety about death?

a. extraversion b. conscientiousness c. a sense of purpose in life d. openness to experience