They are all already in the right location, if that is what you are asking
Natural variation provided the phenotypes that natural selection then acted on, over time causing evolution
A. The oceans have a major effect on climate around the globe.
Answer:
DNA is made up of molecules called nucleotides. Each nucleotide contains a Sugar group, phosphate group, and a nitrogen base. The four type of nitrogen bases are thymine (T), cytosine (C), guanine (G), adenine (A). The order of these bases is what determine DNA.
Explanation: