Which of the following explains the process of evolution? -a process of change in a population through genetic variation over time

-the genetic variation within a species

-a change in one species that results from a change in a different species with which it int

The current thought on the structure of the cell membrane is: a. a static phosphate sandwich of lipids b. a fluid-mosaic of phospholipids and proteins c. a bilayer of proteins with static lipid molecules d. an impermeable bilayer of protein molecules e. a static and permeable phospholipid single layer