Across
- 2. A sugar that has several forms.
- 4. A heavy odorless, colorless gas formed during respiration and by the decomposition of organic substances
- 5. A plant organelle that contains chlorophyll and other pigments.
Down
- 1. Energy from the sun
- 3. A liquid compound made of two parts hydrogen and one part oxygen.
- 4. An opening in a leaf or stem through which gases and water vapor can pass