Prepare a 900- to 1,150-word paper in which you discuss the life span perspective of human development. Be sure to include the following items in your description:

Summarize three theories related to human growth and development and identify at least one influential theorist for each.
Identify aspects of the life span perspective (multidirectional, multicontextual etc).
Explain how heredity and the environment influence human development.

Use a minimum of two peer-reviewed sources, review the course announcements for more information on what the requirements for these are as well as how to locate them.

Format your paper consistent with APA guidelines.