If we maintain a strict biological definition of “species”, H. sapiens and H. neanderthalensiswere NOT separate species as they successfully interbred. What impact might this information have on assigning a date to the origin of humans? Are there any ot

 If we maintain a strict biological definition of “species”, H. sapiens and H. neanderthalensiswere NOT separate species as they successfully interbred.  What impact might this information have on assigning a date to the origin of humans?  Are there any other implications?  Cite your source(s) at the end of your post.