The diagram shows a section of a cell membrane that includes a channel protein. The function of this protein is to A. Strengthen the outer boundary of the cell.

B. Connect reproductive cells during fertilization.

C. Allow certain substances to leave or enter the cell.

D. Exchange organelles or chromosomes between specialized cells.

Many archeologists and anthropologists disagree with dr. thorne's view.  thorne strongly believes that what many calls "homo erectus"  was in fact  homo sapiens,  and that they migrated out of africa almost 2 million years ago and dispersed throughout europe and asia. that's way different  from what scientists have always believed about the evolution of the species.