Which of the following classes includes the family of turtles?

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Accepted Answer

- Step 1: Turtles are cold-blooded, have scaly skin, lay shelled eggs, and breathe air — these are defining features of the class Reptilia.
- Step 2: Check the choices: (1) Chondrichthyes = cartilaginous fishes (sharks, rays); (3) Amphibia = frogs, salamanders; (4) Aves = birds. None of these include turtles.
- Step 3: Therefore the correct class is option $(2)$, Reptilia.

FINAL_ANSWER: b

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