Energy transfer is the conveyance of energy from one item to another; the transfer occurs among different scales and motions. Energy transfer may mean different things in different sciences.
In biochemistry, the concept of energy transfer means that the transfer happens from groups of low-energy compounds to those that contain energy-rich bonding particles. Often times, the energy transfers happen via hermodynamically permissible enzymatic reactions.
The principle of energy transfer is a major proposition in the interaction between energy-producing and energy-utilizing pathways in living and thriving cells. Energy transfer from one organism to another is part of the law of conservation of energy.