Answer:
predict the outcomes of genetic crosses.
Explanation:
Answer: The basic unit of structure and function is the CELL.
Explanation: All living organisms are made up of cells. Each cell is specialized in it's structure to support the function it is intended for. Groups of specialized cells make up tissue (also specialized for a particular function), this group of specialized tissue makes up an organ, which forms part of a system, and then part of the organism as a whole.
bacteria dont need to mutate, thats why they evolve. bacteria doesnt need to develop resistance. this can also make bacteria very dangerous though, virus's can evolve and change after a cure is created that cannot be affected by treatment.