Blubber a thick layer of fat is present in___________?
Correct answer: C. Marine Mammals
- A. Fresh water mammals
- B. Terrestrial mammals
- C. Marine Mammals
- D. Flying mammals
Explanation
Marine mammals such as whales and seals possess blubber, a thick fat layer that reduces heat loss in cold water and also provides energy storage. Students may choose terrestrial mammals because some land mammals have substantial body fat, but blubber is the characteristic insulating layer of marine mammals.
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About Thermoregulation
Thermoregulation maintains body temperature through negative feedback controlled mainly by the hypothalamus. It covers vasodilation and vasoconstriction, sweating, shivering, changes in metabolic heat production and behavioural responses, while distinguishing heat loss by radiation, conduction, convection and evaporation from temperature regulation itself.
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