When salt and sugar dissolve in water it is a physical change. The chemical makeup of the salt and sugar are not changed.
Physical change
Animals such as bees or wind can carry pollen from one flower to another flower and fertilize the plant that way. Plants can also self-pollinate which happens when a plant’s own pollen fertilizes its own ovules.
A membrane that allows only some materials to move in and out of the cell is B. Semipermeable.
The colony would have less genetic variation. The Bacteria in the colony would be too genetically similar