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Endotherm Thermoregulation

APBIO-3A48GY

When an endotherm’s body temperature drops below normal, cold receptors send information to the hypothalamus.

Which of the following is MOST likely to occur?

A

The hypothalamus will send out signals that cause the organism to seek a warmer climate.

B

The hypothalamus will send out signals that cause the production of brown fat in the neck.

C

The hypothalamus will send out signals that cause vasodilation (widening) of blood vessels.

D

The hypothalamus will send out signals that cause vasoconstriction (narrowing) of blood vessels.