Exemplar Problems

Question: Which statement is incorrect regarding Gnathostomata?

A) They are vertebrates with jaws.

B) This superclass is classified into Pisces and tetrapods based on the presence of jaws and the type of skeletal structure.

C) Pisces utilize fins for movement.

D) Tetrapods employ limbs for movement.

This superclass is classified into Pisces and tetrapods based on the presence of a backbone and mode of reproduction.