Which one is the odd one out?
Frog
Salamander
Octopus
Toad
Frog, salamander and toads are amphibians that live a part of their life in water and another part on land.
Octopus is a solely aquatic animal.
As we know that frogs and salamander are amphibians but why do frogs reproduces externally and salamander reproduces internally?
Question 42 Classify the following based on number of chambers in their heart. Rohu, Scoliodon, Frog, Salamander, Flying lizard, King Cobra, Crocodile, Ostrich, Pigeon, Bat, Whale