Multiple Choice
During a fever, the __________ readjusts the set point of the body to a __________ temperature.
38. Animal Form and Function
Thermoregulation
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By definition, an ectotherm __________.
A
is cold-blooded
B
is warm-blooded
C
can generate enough metabolic heat to keep its body temperature above that of its surroundings
D
has a body temperature that varies considerably
E
obtains most of its heat from its environment
Verified step by step guidance1
Understand the definition of an ectotherm: Ectotherms are organisms that rely on external sources of heat to regulate their body temperature.
Consider the term 'cold-blooded': This is a common way to describe ectotherms, as their body temperature is influenced by the environment.
Evaluate the option 'is warm-blooded': This typically refers to endotherms, which maintain a constant body temperature through internal metabolic processes.
Analyze the option 'can generate enough metabolic heat to keep its body temperature above that of its surroundings': This describes endotherms, not ectotherms.
Review the option 'has a body temperature that varies considerably': This is true for ectotherms, as their body temperature changes with environmental conditions, but the key aspect is that they obtain heat from the environment.
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