The formula for density is mass over volume. In this problem the mass is 700 kg and the volume is 649 m^3. Thus, you would divide 700 by 649 to get a density approximately equal to 1.079. Hope this helped :))
Answer:
The populations are isolated and thus do not interbreed.
Explanation:
If you're asking what 'controls' the cell, then that would be the nucleus. The king of the cell.