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The Oxygen Cycle

The Oxygen Cycle

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The Oxygen Cycle

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  1. The Oxygen Cycle Desarea’ Williams & Jeremy Roca

  2. Step One of Oxygen Cycle • Plant release oxygen into the atmosphere as a by-product of photosynthesis. oxygen

  3. Step Two of Oxygen Cycle • Animals take in oxygen through the process of respiration. • Animals then break down sugars and food.

  4. Step Three in Oxygen Cycle • Carbon dioxide is released by animals and used in plants in photosynthesis. • Oxygen is balanced between the atmosphere and the ocean.