The ‘cultural revolution’ among homo sapiens
select one:
a. meant that by 40,000 years ago, most human populations on earth had begun practicing some form of agriculture
b. was the result of biological changes that have been preserved in the human fossil record
c. might have been due to biological changes that were not preserved in the human fossil record (e. g. changes in brain circuitry)
d. was eclipsed by the even greater ‘cultural renaissance’ that occurred 35,000 years ago among neanderthals

The blue particles in this image are able to cross the cell membrane through simple diffusion. how will they be transported? outside the cell inside the cell o a. the substances will move directly across the membrane from outside the cell to inside the cell. b. the substances will move through channels in the membrane proteins from outside the cell to inside the cell. o c. the substances will move through channels in the membrane proteins from inside the cell to outside the cell. o d. the substances will move directly across the membrane from inside the cell to outside the cell.