Singkatnya, teori ini mengatakan bahwa ikan mendapatkan sifat-sifat hewan darat bahkan sebelum mereka merasa memerlukan sifat-sifat ini, sejak mereka masih hidup di laut.
Put briefly, the theory says that fish acquire the traits of land-dwelling animals before they even feel the need for these traits, while they are still living in the sea.