The correct answer is that it is a long term change.
Explanation:
A modification, which takes place in the environment and remains for many years, and leads to variations in the genetic makeup of the species takes time. The modifications, which takes place at the level of genes consumes time, as it requires many years to modify the genetic make-up of an organism. Thus, is a long-term procedure.
Intermolecular forces. Water is a dipole and acts like a magnet, with the oxygen end having a negative charge and the hydrogen end having a positive charge. These charged ends can attract other water molecules.
It is important because when it is dividing there is no way for the information to cross over to the other cell, so that is why it is duplicated before the division.
