Across
- 4. animals that live in water
- 9. chemolithotrophic organisms that include species of genera such as Nitrosomonas, Nitrosococcus, Nitrobacter, Nitrospina, Nitrospira and Nitrococcus.
- 10. a vivarium of any size having at least one transparent side in which aquatic plants or animals are kept and displayed.
Down
- 1. the process of growing plants in sand, gravel, or liquid, with added nutrients but without soil.
- 2. a key component in the filtration portion of a recirculating aquaculture system
- 3. a system of growing plants in the water that has been used to cultivate aquatic organisms.
- 5. h2o
- 6. o2
- 7. remove larger suspended material from water, including sand, silt, clay, loose scale, and organic matter.
- 8. are predominantly photosynthetic eukaryotes of the kingdom Plantae.