Across
- 3. Nourishment
- 4. Makes it own energy
- 5. A series of organisms which energy is transferred from one to another
- 7. Bacteria's way of making food
- 9. Hierarchal levels in an ecosystem
- 10. Cannot harness energy directly
- 11. Loss or removal of nitrogen
- 13. Energy and matter move
- 15. Renewable organic matter
Down
- 1. First producer (energy rich)
- 2. nutrients is the least quantity in an ecosystem
- 6. Plant way of making energy
- 8. Tiny floating algae
- 12. Rely on other organisms for energy and nutrients
- 14. Trash or debris