I have no clue, there is nothing else here to support your question.
Rose bush because not many animals eat rose bushes
Ill need to know what change you predicted, but natural selection can contribute to the change by allowing the organism with the mutation (advantage or disadvantage) to either parish or aid in its survival, resulting in that mutation to be passed on the other generations through breeding
Hospolipid bilayer, with some protein, is what makes the cell membrane selectively permeable.