How is the law of conservation of energy obeyed in a food chain and can you explain it?

In a food chain, the law of conservation of energy is obeyed because energy is neither created nor destroyed, but instead transferred from one organism to another. This means that the total amount of energy remains constant within the system. When one organism consumes another for food, it gains the energy stored in that organism's body. This energy is then used for the consumer's own growth, movement, and other life processes. As energy is passed along the food chain, some energy is lost as heat through metabolic processes, but the total energy within the system remains the same.