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Which of the following statements is true of annelids?
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30. Overview of Animals
Overview of Animals
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Which of the following sets of animals contains only gnathostomes?
A
Sharks, frogs, and lizards
B
Lampreys, hagfish, and sharks
C
Hagfish, frogs, and sharks
D
Frogs, lampreys, and lizards
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Understand the term 'gnathostomes': Gnathostomes are jawed vertebrates, which include a wide range of animals such as sharks, amphibians, reptiles, birds, and mammals.
Identify the animals in each set: The sets provided are: 1) Sharks, frogs, and lizards, 2) Lampreys, hagfish, and sharks, 3) Hagfish, frogs, and sharks, 4) Frogs, lampreys, and lizards.
Determine which animals are gnathostomes: Sharks, frogs, and lizards are all gnathostomes because they have jaws. Lampreys and hagfish are not gnathostomes as they are jawless fish.
Evaluate each set: Check each set to see if all the animals listed are gnathostomes. Only the set containing sharks, frogs, and lizards consists entirely of gnathostomes.
Conclude with the correct set: Based on the evaluation, the set 'Sharks, frogs, and lizards' contains only gnathostomes.
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