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All living organisms need energy to grow and reproduce, maintain their structures, and respond to their environments. ... Animals consume food to replenish energy; their metabolism breaks down the carbohydrates, lipids, proteins, and nucleic acids to provide chemical energy for these processes.

The energy can be supplied to chemical reactions in living systems by respiration.

How energy is supplied in the living system?

The ultimate source of energy is the sun. The plants transform the light energy of the sun into chemical energy(Glucose).

The glucose bonds are broken down during the process of respiration in which the bond energy of glucose is utilized to supply energy.

Therefore, the energy can be supplied to chemical reactions in living systems by respiration.

Learn more about respiration:

https://brainly.com/question/14012134

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