A. Sound is a form of mechanical energy
Molecules in food contains chemical energy that cells use to produce MORE CELLS. This energy is gotten from the chemical bond energy in food molecules, which in this way serve as fuel for cells. The particles in food additionally give the atoms that animals need to develop new living matter.
Consumers because they cant make their own food
Cells divide in an effort to reproduce and create more of themselves to keep their larger- encompassing species sustained.