Tadpoles retain the lateral line system of their ancestral fishes, but this is lost in terrestrial adult amphibians.
tˈædpoʊlz ɹᵻtˈeɪn ðə lˈæɾɚɹəl lˈaɪn sˈɪstəm ʌv ðɛɹ ænsˈɛstɹəl fˈɪʃᵻz, bˌʌt ðɪs ɪz lˈɔst ɪn tɚɹˈɛstɹɪəl ɐdˈʌlt æmfˈɪbiənz.