This quote specifically refers to “basic wooden and bone implements” that “were also used by Homo habilis” (Zerzan 1998, 258). Indeed,

The distinction here is a metaphysical one—it concerns the reality and existence of two distinct technology types. These types, though, emerge in Don Ihde’s phenomenology of technological artifacts…

There are, no doubt, additional purely avaricious motives behind the amelioration of a given artifact.

That is, through the selection of more advantageous alleles; the phenotype is the interaction of the organism’s genome and its environment. I focus on phenotype in this paper…