Whereas memory involves the conscious recollection of facts and events, memory involves nonconscious knowledge derived from past experience?

I believe the answer is: Explicit/implicit

Since  involves the conscious recollection, we rely on explicit memory in handling the activities that we routinely do every day.
Implicit memory on the other hand, only re-surface when we unconscious such as when we're dreaming or we're in a hypnotized state.

Yes you are cute answer theories to explain the colonization of the new world the last great habitable landmass to be occupied by humans focus on the bering land bridge, or beringia, which emerge by siberia and alaska the last ice age.