1. Select at least 3 biological theories of aging from your textbook (Gerontological Nursing and Healthy Aging, Ebersole & Hess).

2. Explain / discuss each one (at least 3 biological theories)

Guidelines: The answer should be based on the knowledge obtained from reading the book, no just your opinion. All the theories (corresponding chapter in textbook) should be mentioned and explained (mention at least three). Your grade will be an average of all theories.