객관식
Which of the following animals has a single-loop circulation system?
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30. Overview of Animals
Overview of Animals
객관식
Which two groups of vertebrates are warm-blooded?
A
Fish and amphibians
B
Mammals and birds
C
Reptiles and fish
D
Reptiles and amphibians
검증된 단계별 안내1
Understand the concept of warm-bloodedness, also known as endothermy, which refers to the ability of an organism to maintain a constant internal body temperature regardless of external conditions.
Identify the groups of vertebrates: fish, amphibians, reptiles, mammals, and birds.
Recall that mammals and birds are the two groups of vertebrates that are warm-blooded. They have physiological mechanisms to regulate their body temperature internally.
Recognize that fish, amphibians, and reptiles are cold-blooded, or ectothermic, meaning their body temperature varies with the environment.
Conclude that the correct answer is mammals and birds, as they are the only warm-blooded vertebrate groups among the options provided.
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