Across
- 1. a nonliving part of the aquarium
- 3. mammals use these to breath
- 6. an ecosystem consisting of water, air, light
- 8. adds oxygen to the aquarium
- 9. fish breath air with these
- 11. The process of photosynthesis occurs in
- 13. an example of a consumer
Down
- 2. One type of producer
- 4. Eats dead animals
- 5. a soil, plan, and gravel ecosystem
- 7. an organism that eats plants in a terrarium
- 10. This plant exists in an aquarium ecosystem
- 12. plants must have this to germinate