In which of the animals the heart does not have the left and right auricles?
A. Cartilaginous and bony fishes
B. Frogs and toads
C. Lizards and snakes
D. Crocodiles and alligators
Answer:C
In which of the animals the heart does not have the left and right auricles?
A. Cartilaginous and bony fishes B. Frogs and toads C. Lizards and snakes D. Crocodiles and alligators