State true or false. Plants take in oxygen and give out carbon dioxide during respiration.
Essential steps in the carbon cycle are Photosynthesis, Food chains, Respiration, Decay and Combustion.
True or False?
Select True or False in the following statements regarding photosynthesis and respiration.
1. Photosynthesis occurs only in the presence of chlorophyll. 2. Photosynthesis occurs at all time. 3. Respiration uses carbon dioxide and water. 4. In respiration carbon dioxide is released as end product.
All plants and animals respire by reducing carbohydrates in their cells to produce energy and give out carbon dioxide into the atmosphere.