Well new species can come and live there and some animals may have new food but the disadvantage is some of the animals ill die that lived there because of the changes...i hope this helped you
Wave height that should be it;)
Potential energy or stored energy.
Based on the Scenario, the process is described as Mitosis
During this process , chromosomes in a cell nucleus will be separated into two identical set of chromosomes (which make it four) and will end up in their own nucleus
hope this helps