Which class includes snakes, lizards, and turtles?

Study for the IB Marine Science Standard Level Exam. Prepare with interactive quizzes and in-depth explanations. Use our resources to excel in your marine science knowledge!

Multiple Choice

Which class includes snakes, lizards, and turtles?

Explanation:
Classification by vertebrate class groups animals that share key features. Snakes, lizards, and turtles are all reptiles, a class of vertebrates that are typically ectothermic, have dry, scaly skin, and lay amniotic eggs. These traits unite them in Reptilia, setting them apart from the other groups listed. Sirenia are mammals (aquatic, with mammary glands), Polychaeta are segmented worms, and Porifera are sponges, so they do not belong to the reptile class.

Classification by vertebrate class groups animals that share key features. Snakes, lizards, and turtles are all reptiles, a class of vertebrates that are typically ectothermic, have dry, scaly skin, and lay amniotic eggs. These traits unite them in Reptilia, setting them apart from the other groups listed. Sirenia are mammals (aquatic, with mammary glands), Polychaeta are segmented worms, and Porifera are sponges, so they do not belong to the reptile class.

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