This essay explores the intersection of quantum mechanics and biology, tracing the shift from Newton's determinism to quantum principles with implications for life. It examines how quantum effects—such as tunneling, coherence, and entanglement—play roles in processes like DNA mutation, photosynthesis, and magnetoreception. The discussion highlights quantum thermodynamics, decoherence, and emergent behavior interwoven with entropy and complexity in living systems, offering insights into order within a chaotic universe. Emerging tools like multi-scale entropy, quantum metrology, and spectroscopy reveal the growing ability to measure these effects at fundamental levels. While definitive answers remain elusive, the study argues that life reflects a dynamic interplay between classical and quantum realms ,reshaping perspectives on evolution , consciousness ,and the essence of living systems .
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