Geographical variation refers to differences among populations in genetically based traits across the natural geographic range of a species. ... In the simplest case, we divide these factors into purely genetic versus environmental components to tease apart their relative contributions to observed phenotypic variation.
I would believe the correct responses would be option 1,2,4.
Not quite sure but would say Archaebacteria with the most confidence... hope this helps good luck
Both have phosphate-pentose back bone, as well as both have adenine, cytosine and guanine bases.
