What is the stage of drawing called when the child begins to draw pictures of objects or events

The increase in the number of healthier, more active older adults suggests that human development is a

A) controversial area of research. B) unidirectional system. C) dynamic system. D) biological, rather than environmental, science.

Which of the following primates has the largest penis?

a. Human. b. Gorilla. c. Chimpanzee. d. Orangutan.