It true that a frog dropped in boiling water will jump out, but a frog dropped in a pan of cold SEE DETAILS?

Question

water put over a heat source and brought to the boil wont jump out?

Why?

Answer 1

Because frogs are cold blooded, they maintain the same temperature as their surroundings. They therefore cannot sense gradual temperature changes, but they can sense immediate ones.

Answer 2

because it will adjust to the temperature and it doesn't realise

Answer 3

No, it's an urban myth.