Maintaining Body Temperature Endotherms Flashcards
0
Q
Explain why a shrew has to eat almost its own body mass each day, but an elephant eats less than one percent of its body mass each day.
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1
Q
Define endotherm.
A
An organism that can use internal sources of heat, such as heat generated from metabolism in the liver, to maintain its body temperature.
2
Q
Suggest why the fairy penguin grows to 25cm in Australia. While the emperor penguin in Antarctica grows to a metre in height.
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3
Q
Suggest why penguins huddle together.
A
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4
Q
Explain how vasoconstriction helps to reduce heat loss.
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