Across
- 6. What plants love to breath in
- 7. A fish in an aquarium is one of these
- 8. The Greek word for light
- 10. connecting two ecosystems vertically
- 11. What is the only living organism that makes its own food
- 12. Another name for plants
- 13. The Greek word for putting together
Down
- 1. What makes leaves green
- 2. eaten by snails in an aquarium
- 3. Using light to put things together
- 4. What isopods have that frogs do not
- 5. Breaks down dead plants and animals
- 9. All energy stored in food comes from