The gray squirrel, eastern fox squirrel, and red squirrel are all different species of squirrel. why is having a scientific name for each species of an organism important?

in the year 2850, humans successfully colonized mars. the martian modules that were constructed could hold only a small population of people. it is now a century later, and the population on mars has grown to 600 people. of the current mars population, 45 people express the recessive phenotype for phenylketon- uria (pku) syndrome (pp genotype).

explanation:

bradykinin is a physiologically and pharmacologically active peptide of the kinin group of proteins, consisting of nine amino acids.

i think the answer is a.keratin is the pigment responsible for skin color.