Across
- 3. gas being inhaled by living beings
- 6. they depend on others for food
- 7. a gas used by plants for photosynthesis
- 8. organism with only on cell
- 10. the organ in plants where excrete
Down
- 1. the process in which living things inhale and exhale
- 2. make their own food
- 4. organism with more than one cell
- 5. response of plants towards light
- 9. a unicellular organism