The brain of this class of animals is unusual in that the cerebellum is reduced to a mere band. Some, such as Siredon mexicanum, become sexually active at the larval stage. The adult heart consists of a muscular ventricle and two auricles, but in earlier stages the circulation resembles that of fish. Except for caecilians, which have small scales in the outer folds of the body, their skin is smooth and moist, with numerous glands secreting a fluid that is often irritatin
The brain of this class of animals is unusual in that the cerebellum is reduced to a mere band. Some, such as Siredon mexicanum, become sexually active at the larval stage. The adult heart consists of a muscular ventricle and two auricles, but in earlier stages the circulation resembles that of fish. Except for caecilians, which have small scales in the outer folds of the body, their skin is smooth and moist, with numerous glands secreting a fluid that is often irritating and poisonous. FTP, name this class of animals which includes hellbenders, axolotls, sirens, and toads.
The brain of this class of animals is unusual in that the cerebellum is reduced to a mere band.
Amphibians