When exploring the respective influences of heredity and environment in contributing to mood disorders, many researchers compare the instances of the disorders among the biological and adoptive families of people who have bipolar disorder. What do these comparisons show?
a. The contributions of heredity and environment are relatively equal.
b. There is little observable influence from either heredity or environment.
c. The influences of environment are stronger than those of heredity.
d. The influences of heredity are stronger than those of environment.
Question 2
Research by Powell, Calvin, and Calvin (2007) found that the most effective long-term method for treating obesity and sustaining weight loss is ____.
a. dieting
b. lifestyle interventions
c. drug treatments
d. surgery
Cystoscopy. In this procedure, a specialized endoscope with a rigid tube, known as a cystoscope, is
Human Activities and the Environment
Human impacts and the built environment
Chronic disease is caused by a mixture of genetic and environmental influences
Producer acquiring energy and nutrients from the environment
Frederick Griffith’s experiment identifying a ″transformation factor″ responsible for heredity