<span>D. evidence that are acquired through use or disuse. Since it is believed that some parts of an organism developed through its need. For example a giraffe got its long neck becuase of reaching for a tree that could produce its food. Another example is the leg of a human which developed because of its need to walk. It was believed that the parts of the an organism did exist or did vanish depending if it was no longer used or it was necessarily needed to survive.</span>
To be able to compare the results to a sample without any of the independent variable added.
Answer:
The important point is that the surface area to the volume ratio gets smaller as the cell gets larger.
Nucleic acid because it is genetic material
