Aresearcher has collected a sample of feces from a woodland area and has extracted from it proteins that are produced in the gut of a rare tropical bird. the researcher wants to use these samples to compare them to other bird species. the order that best describes the way in which the researcher has observed levels of biological organization is

The researcher first encountered a compound or molecule, which was the protein, and then went on to a higher level of organization which was tissue (the cells that produce the protein, and then on to the organ (gut) where the tissues act. Finally, the scientist identified the organism and will next compare the population of organisms to other populations.