Amphibious means that you can survive both on land and in water. Frogs are amphibians.
amphibian means the object can go onto water or land. the plane- Cessna Caravan Amphibian can land on water, and has extend-able landing gear to land on a runway as well!
Lifetime Frogs refers to the number of frogs you have ever owned during your game time. So get lots of froggies! :)
Frog