Why do we use the scientific method? Is there one universal scientific method that all scientists use? Why or why not?

Which list is in order from simplest to most complex? a bacteria - virus - plant - protist b protist - bacteria - virus - plant c virus - bacteria - plant - protist d virus - bacteria - protist - plant

The chromosomal structure that limits the number of cell divisions of a cell is the the chromosomal structure that limits the number of cell divisions of a cell is the kinetochore telomere histones centromere

Need with these questions . need the answers in a rush for these questions are the answers i put down are correct or not? ?