Across
- 1. Conversion of light energy into chemical energy. (PHOTOSYNTHESIS)
- 4. Human's defense against diseases. (IMMUNE)
- 6. Determines physical features. (GENE)
- 7. Classification of living organisms. (GENUS)
Down
- 1. Complex sugar. (STARCH)
- 2. Pumps blood. (HEART)
- 3. A sequence of growth and division. (CELL)
- 5. Released by plants during photosynthesis. (OXYGEN)