12. Very short answer questions IV

  

Water in lakes and ponds will freeze in the Arctic and Antarctic circles, forming a solid layer of ice on the water's surface. Still, aquatic animals that live beneath the ice do not die. This is because the floating layer of ice acts as a protective coat does not act as a protective coat and permit heat to escape from waterdoesn't permit heat to escape from water. So, as the surface water alone turns to ice, the aquatic animals manage it.