Classify the following based on number of chambers in their heart.
Rohu, Scoliodon, Frog, Salamander, Flying lizard, King Cobra, Crocodile, Ostrich, Pigeon, Bat, Whale
Two chambered heart- Rohu, Scoliodon
Three chambered heart – Frog, Salamander, Flying lizard, King Cobra
Four chambered heart- Crocodile, Ostrich, Pigeon, Bat, Whale