Edit: We survived an ice age and we’re very highly adaptable. Plus, we will hold on to some percentage of technical knowledge that will help us adapt faster.
Edit: We survived an ice age and we’re very highly adaptable. Plus, we will hold on to some percentage of technical knowledge that will help us adapt faster.
None of those are species—they’re a family, a phylum, and a (partial) order, respectively. While those clades have been relatively stable morphologically, species within each clade still come and go.
I’m sorry for the confusion, I was using the old housewives definition of species.