In a Cold Environment That Supports Life,an Ectotherm Is More

question 115

Multiple Choice

In a cold environment that supports life,an ectotherm is more likely to survive an extended period of food deprivation than would an equal size endotherm because the ectotherm

• A)expends more energy per kilogram of body mass than does the endotherm.
• B)invests less energy in temperature regulation.
• C)metabolizes its stored energy more readily than does the endotherm.
• D)has greater insulation on its body surface.

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Definitions:

Fatty Plaque

Deposits of fat and other substances on the walls of arteries, leading to atherosclerosis and potentially heart disease or stroke.

Prolactin

A hormone produced by the pituitary gland that stimulates milk production and affects reproductive health.

Pituitary Gland

A small, pea-sized gland located at the base of the brain, responsible for regulating critical body functions through the release of hormones.

Milk Production

The biological process by which mammals produce milk to feed their young.