1. 1 st 6 Weeks Vocab Review Carbon Dioxide-Oxygen Cycle

2. The movement of carbon on Earth by the process of respiration and photosynthesis.

3. Carbon Dioxide A gas produced by animals during respiration that plants use to make food, water, and oxygen.

4. Respiration A process by which animals use oxygen and food to make energy and carbon dioxide. Breath in oxygen Release Carbon Dioxide

5. Photosynthesis The process where plants use sunlight, water, and carbon dioxide to produce sugar (glucose) and release oxygen.

6. Elodea An aquatic water plant.

7. Bubble Gas or air in a liquid