If a mammal suffered damage to the temperature sensor in its brain, what would be the result?
A. The animal would fall back onto a more primitive ectothermic mode of regulation.
B. Only the integumentary system is required to sense temperature changes. Body temperature would remain stable.
C. The animal would have to rely on shivering instead of vasoconstriction to maintain body heat.
D. The integrating center would not receive inputs to compare to the set point. Body temperature could rise or fall to dangerous levels.
Answer: D
You might also like to view...
Based on the graph of the mixed culture, what can you determine about the niche for each
individual species?
a. There is a large amount of niche overlap. b. There is minimal niche overlap. c. Competition for resources is partitioning the available niches. d. Intraspecific competition is reducing niche overlap.
Most biologists agree that the most recent common ancestor of all animals was probably a ____, an
idea first proposed by Ernst Haeckel in 1874.
a. jellyfish b. ciliated protozoan c. sessile sponge d. chytrid e. colonial, flagellated protist
Which gland secretes melatonin?
a. thyroid b. pancreas c. pineal d. parathyroid e. liver
A disease that primarily infects an animal but is occasionally transmitted to humans is called a(n)
a. emerging pathogen. b. emergence transmission. c. vector. d. zoonosis.