The answer to this question is Speciation When biogeographic isolation happen, the population of a certain species will be totally isolated (separated) from other species, which cause that population unable to cross-breeds with other species. This will form a unque and special species because that population will always maintain a certain characteristic unlike other population that are forced to cross-breed
i believe that the cell will expand because there is less sugar in the water. if you were to add more sugar into the water, then the cell will shrink in size because sugar and salt is the same thing if you add it in water.
