Elka is 9 years old. She has been working on her science project which places different dinosaurs into different periods of time. Which stage of cognitive development is she most likely in?

How one deals with the inevitable slow declines in health during adulthood strongly influences that adult's

a. number of friendships. b. identity and career goals. c. creativity and productivity. d. degree of life satisfaction.

What is TRUE about altruistic behavior? a. It is evident in every animal species

b. It can be completely explained in terms of genetic contributions. c. It is difficult to explain from an evolutionary/genetic point of view. d. It has a genetic component only in humans.