Interbreeding of prehistoric humans would indeed be viewed as species hybridization.
There are estimated to be about 9 species of prehistoric hominins such as Neanderthals and Hom0 Floresiensis. Even though they were similar to our Sapien ancestors, there were some differences such as:
Hybridization refers to when organisms that are similar but a bit different on a genetic level, mate and produce new organisms.
As these other prehistoric humans varied in certain ways, if they bred amongst themselves, this would classify as hybridization.
In conclusion, interbreeding amongst the early human species would be considered hybridization because they are genetically different.
Find out more at https://brainly.com/question/742579.