Which of the following does a cell NOT need to do before mitosis 1. increase its number of sub-cellular structures 2. Replicate its DNA 3. Grow 4. Move its sub-cellular structures to one side PLS ANSWER NOW IM IN EXAM PLSSS ILL GIVE 5 STARS AND A THANK YOU AND BRAINLIEST

1. variations in a population of moths allow for some of its members to be able to adapt to environmental changes. the better adapted of the moths will be able to survive the change and thus prevail as the “fittest” of the species. (a) describe three mechanisms in which variation can occur within a species population. (b) explain which mechanism or mechanisms would be responsible for the survival of a population of peppered moths better than white moths in an environment affected by industrial soot. justify your answer.