Metabolic Rate Is the Total Amount of

question 117

Multiple Choice

Metabolic rate is the total amount of

• A) glucose absorbed by the small intestine each hour.
• B) heat produced by body cells in an hour.
• C) energy produced and used by the body per unit of time.
• D) carbon dioxide exhaled per unit of time.
• E) kilocalories consumed.

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Definitions:

Precambrian

denotes the vast period of time before the Cambrian period, covering the formation of the Earth until about 541 million years ago.

Paleozoic

An era of geological time from about 541 to 252 million years ago, marked by the development of early life forms to the advent of reptiles and the end of the Permian period.

Mesozoic

An era of geological time from about 252 to 66 million years ago, known as the "Age of Reptiles" and marked by the dominance of dinosaurs.

Cenozoic

The most recent of the three major subdivisions of animal and plant life geologic time, covering the period from 66 million years ago to the present.