Sorry, but I don't use Sacred Scripture to study the ACTUAL development of the earth and the human species.  The Bible was not written as either a history or a book of archeology.
Humanity, as it began, was not perfect.  There were multiple forms of pre-humans existing at the same time.  We are well aware that the Neanderthal probably existed alongside of the Cro-Magnon.  But only one species was equipped to become 'homo sapiens' [Cro-magnon].  We started out  hunter-gathers.  Over the centuries, we LEARNED new ways to interact with the natural world, to domesticate plants and animals, to tame fire, to forage metals into tools, to build complex structures, to convey ideas by language, art, music, and to form structures of governance.

We have been developing progressively.  We did not start as perfect, and then fall into a lesser state.  We still have a long way to go, in mind and spirit to become the work companions/friends of God."