From the data he collected and documented, Aristotle inferred quite a number of rules relating the life-history features of the live-bearing tetrapods (terrestrial placental mammals) that he studied.
fɹʌmðə dˈeɪɾə hiː kəlˈɛktᵻd ænd dˈɑːkjuːməntᵻd, ˈæɹɪstˌɑːɾəl ɪnfˈɜːd kwˈaɪt ɐ nˈʌmbɚɹ ʌv ɹˈuːlz ɹᵻlˈeɪɾɪŋ ðə lˈaɪfhˈɪstɚɹi fˈiːtʃɚz ʌvðə lˈaɪvbˈɛɹɪŋ tˈɛtɹɐpˌɑːdz tɚɹˈɛstɹɪəl pləsˈɛntəl mˈæməlz ðæt hiː stˈʌdid.