I think it’s a galaxy im sorry if I’m wrong !!
I believe is the thermoreceptors present in the skin as well as part of the brain called hypothalamus.
It is called speciation.
So it'll be D. Speciation
Hope this helped :)
The main reason for the species extinction is for the ecological changes.
Many kinds of prokaryotes and eukaryotes contain a structure outside the cell membrane called the cell wall. With only a few exceptions, all prokaryotes have thick, rigid cell walls that give them their shape. Among the eukaryotes, some protists, and all fungi and plants, have cell walls.
