Use the Circle Graph to Answer the Question

question 46

Multiple Choice

Use the circle graph to answer the question.
-Average Daily Numbers of Livestock (in thousands) - Category A Farms, 2002
What percent of livestock was chickens? Round to the nearest tenth of a percent.

• A) 462.1% chickens
• B) 49.7% chickens
• C) 37.0% chickens
• D) 46.2% chickens

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Definitions:

Temperature Regulation

The physiological and behavioral processes by which living organisms maintain their body temperature within a certain optimal range, despite external temperature changes.

Hypothalamus

A region of the brain that coordinates the autonomic nervous system and the activity of the pituitary, controlling body temperature, thirst, hunger, and other homeostatic systems, and involved in sleep and emotional activity.

Limbic System

A complex set of brain structures located on both sides of the thalamus, involved in processing emotions, motivation, and memory.

Pons

A part of the brain located in the brainstem, critical for relaying signals between the cerebrum and the cerebellum, and involved in functions such as sleep and arousal.