Gregory of Nyssa

For, whereas we learn from Scripture in the account of the first Creation, that first the earth brought forth "the green herb" (as the narrative says), and that then from this plant seed was yielded, from which, when it was shed on the ground, the same form of the original plant again sprang up, the Apostle, it is to be observed, declares that this very same thing happens in the Resurrection also; and so we learn from him the fact, not only that our humanity will be then changed into something nobler, but also that what we have …

On The Soul And The Resurrection ↗

Ambrose of Milan

Seeds of one kind cannot be changed into another kind of plant nor bring forth produce differing from its own seeds, so that men should spring from serpents and flesh from teeth. How much more, indeed, is it to be believed that whatever has been sown rises again in its own nature and that crops do not differ from their seed, that soft things do not spring from hard nor hard from soft, nor is poison changed into blood, but that flesh is restored from flesh, bone from bone, blood from blood, the humors of the body from humors.

On Belief in the Resurrection ↗

Bede

And God saw that it was good, and He blessed them, saying: Be fruitful and multiply, and fill the waters of the seas, and let birds multiply on the earth. And there was evening and there was morning, a fifth day. When He said, be fruitful and multiply, and fill the waters of the seas, it pertains to both kinds of creatures made from the waters, that is, both to fish and to birds, because just as all fish can live only in the waters, so too there are many birds which, although they sometimes rest on the lands and propagate their …

Commentary on Genesis (Hexaemeron) ↗