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.
Answer:
Yes, mixtures can be separated using a variety of techniques.
If two populations of birds stop interbreeding because of a difference in song patterns this would be described as behavioral isolation.
I believe studying the hydrosphere would be most important because we haven't explored a good majority of it yet so we need to explore our waters before we explore space
Answer:
Nothing you won't be able to see it. It is too small.
Explanation:
