original: life in the swamps the first tetrapods are now thought to have evolved in shallow and swampy freshwater habitats , towards the end of the devonian , a little more than 365 million years ago .
simplifications: life in the swamps : the first tetrapods are thought to have evolved in shallow and swampy freshwater places , near the end of the devonian , a little more than 365 million years ago . life in the swamos : the first tetrapods are now thought to have begun in shallow and swampy freshwater habitats , towards the end of devonian , more than 365 million years ago . the tetrapods are thought to have evolved in swampy freshwater habitats more than 365 million years ago . life in the swamps the first tetrapods are now thought to have evolved in shallow and swampy freshwater habitats , towards the end of the devonian era , a little more than 365 million years ago . the first tetrapods are now thought to have evolved in shallow and swampy freshwater habitats , towards the end of the devonian period , a little more than 365 million years ago . life in the swamps - the first tetrapods are now thought to have evolved in shallow and swampy freshwater habitats , towards the end of the devonian , a little more than 365 million years ago . the first tetrapods are thought to have evolved in shallow and swampy habitats towards the end of the devonian , more than 365 million years ago . life in the swamps the first tetrapods are now thought to have evolved in shallow and swampy freshwater habitats , towards the end of the devonian , a little more than 365 million years ago .