The Major Means of Increasing Heat Production in Response to a Cold

question 89

Multiple Choice

The major means of increasing heat production in response to a cold environmental temperature is

• A)skin vasoconstriction
• B)wearing warm clothing
• C)increased muscle activity, such as through shivering and increased voluntary exercise
• D)formation of "goose bumps"
• E)increased food intake

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Definitions:

Heterotrophic

An organism that obtains its energy and carbon by consuming other organisms, unable to produce its own food.

Autotrophic

Organisms capable of synthesizing their own food from inorganic substances using light or chemical energy.

Parasitic

Pertaining to organisms that live on or in a host organism and cause harm to their host.

Extreme Environments

Environments with conditions that are challenging to most life forms, such as extreme temperatures, pressures, or chemical concentrations.