Oxygenic refers to processes that produce oxygen as a byproduct. This term is most commonly associated with photosynthesis, where plants, algae, and some bacteria convert sunlight, carbon dioxide, and water into glucose and oxygen. The oxygen released during this process is essential for the survival of most living organisms on Earth. In the context of photosynthesis, oxygenic organisms play a crucial role in maintaining the planet's atmosphere. They contribute to the oxygen cycle, which is vital for respiration in animals and humans. Understanding oxygenic processes helps scientists address environmental issues, such as climate change and habitat loss.