In any scientific paper you can find th eprocedure part which should in detail explain how the procedure of a particular experiment was performed. Using these instructions we should be able to replicate an experiment, if the results that were obtained in the previoues experiments were correct of course.
Explanation:
this is the answer hope it works
Medulla is a set of cells that run through a piece of hair. Forensic scientists use them to determine which creature the hair came from.
Baccteria has evolved from some forms of plankton so I guess that could be a valid answer.