The mass of the water does not change. However, the volume
varies with temperatures. Water at 4 degrees centigrade
occupies the least amount of volume compared to other temperatures.
Therefore based on the calculation of D=M/V, then water at 4 degrees centigrade has the highest density.
Answer: Darwin had stated in The Origin of Species that “all the organic beings which have ever lived on this Earth may be descended from some primordial form”,
Long term: I could either help a species have more genetic variation or wipe out an entire species. Short term: it could decrease food resources for other species.
