The Bormann-Likens Study in the Hubbard Brooks Experimental Forest in New

question 55

Multiple Choice

The Bormann-Likens study in the Hubbard Brooks Experimental Forest in New Hampshire can best be described as

• A) a comparison of a control site with an experimental site in nature
• B) what can occur in a forest watershed without plants to absorb water
• C) an example of how scientists learn about the effects of our actions on natural systems
• D) a comparison of a control site with an experimental site in nature and a study of what can occur in a forest watershed without plants to absorb and retain water
• E) a comparison of a control and an experimental site, a study of what can occur in a forest watershed without plants to absorb water, and an example of how scientists learn about the effects of our actions on natural systems.

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Definitions:

Acromegaly

A hormonal disorder that results from an excess of growth hormone after the growth plates have closed, leading to enlarged bones in the hands, feet, and face.

Cretinism

A condition of severely stunted physical and mental growth due to untreated congenital deficiency of thyroid hormones.

Hypothalamus

A region of the brain that controls a variety of functions including temperature, hunger, and hormonal balance.

Prolactin

A hormone produced by the anterior pituitary gland, which plays a role in lactation, reproductive functions, and the immune system.