A plant undergoing photosynthesiss is the correct option. thus option A is correct.
Chemical signaling occurs in the endocrine system, which is accomplished through the secretion of hormone-like molecules into the extracellular fluid. They bind to chemical receptors in target cells to create specific changes in the body's internal environment, which is referred to as homeostasis.
Photosynthesis helps plants maintain homeostasis by making glucose, which it can use to make energy for other processes or to incorporate in cellular energy.
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