It is Metamorphosis.
metamorphosis
Frogs start out as tadpoles and then they develop into jumping frogs. They start life in water.
Frogs are amphibians because they primarily live both in water and on land during their life cycle. They have moist skin that helps them breathe through their skin, as well as gills as larvae and lungs as adults for breathing air. Additionally, they undergo metamorphosis from tadpoles to adult frogs.
Because frogs has life
The Egg is the first stage in a frogs life cycle.
Life changed for people during the Neolithic Age because that was when they found out how to make fire.
I believe, but am not positive, that snails do and some types of frogs.
Frogs can change sex and snakes can loose skin but if you say happy animal life four times you become a chicken!
Without surgery, no it isn't possible to change your eye shape however, you can change how your eyes look with makeup. However physically, during anytime of your life you can't without surgery change your eye's physical shape. (However you should be confident in yourself, and don't be overly concerned about your eye shape.)
No, prawns do not change gender during their lifetime. They are born either male or female and remain the same gender throughout their life.
Frogs live one life in water, and the other on land.
No, photosynthetis is known from plants and in some animal life but not in frogs.