Name: _______________________________
Period: _______
Biogeochemical (Nutrient) Cycles Test Review
History of Aquatics: How did the following person/object influence Aquatic Science
1. Cook
2. Magellan
3. Forbes
4. Stazione Zoologica
5. Aristotle
6. Edwards and Andouin
7. Darwin
8. Challenger
Vocabulary:
1. Denitrification
2. Nitrification
3. Ammonification
4. Excretion
5. Transpiration
Overview of Cycles: Why is each of the following cycles important to living things?
1. Water Cycle
2. Nitrogen Cycle
3. Phosphorous Cycle
4. Carbon Cycle
5. Oxygen Cycle
General Questions:
1. What gas must be present in order for organisms to “breathe”?
2. Bacteria break down ammonia into what toxic chemical?
3. Excess of this compound creates algal blooms…
4. Which compound is used to make shells for organisms and used during photosynthesis?
5. What part of the water cycle will affect an aquarium the most?
6. Which cycle is the most crucial in ensuring the survival of the animals in your tank?
7. When a saltwater tank has lost a lot of water, what should you add?
8. What part of the water cycle contributes to the salinity of the ocean?
9. What are forms of precipitation?
10. Where is most of Earth’s water stored?
11. Where is most of Earth’s carbon stored?
12. Where is most of Earth’s freshwater stored?
13. How much of the Earth is fresh water?
14. How does water move from the ocean into a cloud?
15. What organism is needed in order for Nitrogen to cycle in a fish tank?
16. What makes phosphorous different than all the other nutrient cycles?
17. What elements are involved in the cycling of energy and matter on Earth?
18. How does ammonia enter the water?
19. What human activity is responsible for causing an imbalance in the nitrogen cycle?
20. How can you properly cycle a new aquarium (nitrogen)?
21. Once phosphorous is in the ocean, it gets directly taken up by?
22. How can you lower phosphate levels in a tank?
23. How does carbon flow through an ecosystem starting with solar energy?
24. Why is the ocean a valuable resource?
25. Water enters the ocean by means of?
26. Water leaves the ocean by means of?
27. Which nutrient cycle does not have a direct effect on fish in a fish tank?
28. How do oxygen and carbon primarily leave the ocean?
29. What is the steps of how Nitrogen is cycled in a fish tank?
30. Be able to identify the diagrams of the different biogeochemical cycles.