Amolecule that moves across a cell membrane without using the cell’s energy tends to move  select one: a. toward the area where it is more concentrated. b. away from the area where it is less concentrated c. away from an area of equilibrium d. away from the area where it is more concentrated

D. away from the area where it is more concentrated

Since a female is both xx chromosome and the male passes down the x chromosome, than the offspring would be female since a female is xx.

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.