How tadpoles grow.

Tadpoles have stage's before they turn into a full frog.when frog's have egg's the egg's have on shell also the egg's are very soft and it takes 3 to 6 weeks before they emerge out.The tadpoles grow there hind legs first before anything else and then it looks like a frog but it isn't. Then large fish and water insects try to eta them.then they grow lungs so they can breathe out of water.when the tadpoles go out of water there tails vanish.then in 3 months they turn into a frog.in winter frog go away to hibernate