Firstly, The Adam and Eve story was just a story written symbolically to basically tell us God created everything and us. the writers of Genesis did not have the technology or knowledge that we have now so they wrote to a people that had simplistic views of the world.
Secondly, the Genesis story was to convey the our first human ancestors Adam and Eve had the first human soul as we do made by God. we call our first human parents Adam and Eve. this is not to say that there weren’t humanoids before these two
Catholic Dogma:
** The Doctrine of Revelation Regarding Man or “Christian Anthropology” **
*] The first man was created by God. (De fide.)
*] The whole human race stems from one single human pair. (Sent. certa.)
*] Man consists of two essential parts–a material body and a spiritual soul. (De fide.)
*] The rational soul is per se the essential form of the body. (De fide.)
*] Every human being possesses an individual soul. (De fide.)
*] Every individual soul was immediately created out of nothing by God. (Sent. Certa.)
*] A creature has the capacity to receive supernatural gifts. (Sent. communis.)
*] The Supernatural presupposes Nature. (Sent communis.)
*] God has conferred on man a supernatural Destiny. (De fide.)
*] Our first parents, before the Fall, were endowed with sanctifying grace. (De fide.)
*] The donum rectitudinis or integritatis in the narrower sense, i.e., the freedom from irregular desire. (Sent. fidei proxima.)
*] The donum immortalitatis, i.e., bodily immortality. (De fide.)
*] The donum impassibilitatis, i.e., the freedom from suffering. (Sent. communis.)
*] The donum scientiae, i.e., a knowledge of natural and supernatural truths infused by God. (Sent. communis.)
*] Adam received sanctifying grace not merely for himself, but for all his posterity. (Sent. certa.)
*] Our first parents in paradise sinned grievously through transgression of the Divine probationary commandment. (De fide.)
*] Through the sin our first parents lost sanctifying grace and provoked the anger and the indignation of God. (De fide.)
*] Our first parents became subject to death and to the dominion of the Devil. (De fide.) D788.
*] Adam’s sin is transmitted to his posterity, not by imitation, but by descent. (De fide.)
*] Original Sin consists in the deprivation of grace caused by the free act of sin committed by the head of the race. (Sent. communis.)
*] Original sin is transmitted by natural generation. (De fide.)
*] In the state of original sin man is deprived of sanctifying grace and all that this implies, as well as of the preternatural gifts of integrity. (De fide in regard to Sanctifying Grace and the Donum Immortalitatus. D788 et seq.)
*] Souls who depart this life in the state of original sin are excluded from the Beatific Vision of God. (De fide.)