Horses are much larger today than their two-foot tall ancestor, mesohippus. geologists believe the change in size was the result of changing environments, from tropical forests to a grassland habitat. larger size would be an advantage for survival in this new habitat because

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.