CHAPTER 5 REVIEW QUESTIONS ANSWER IN COMPLETE SENTENCES!!!!!!!!!!! 1. Define the term detritus. 2. What role do decay bacteria play in a marine ecosystem? 3. Can cyanobacteria be considered primary producers? Explain. 4. What are stromalites? 5. Where can stromalites be found? 6. What do chemosynthetic bacteria use as an energy source? 7. Describe the difference between the terms plankton and nekton. 8. Describe the difference between the terms phytoplankton and zooplankton. 9. To what kingdom do Diatoms and Dinoflagellates belong? 10. Describe at least two differences between Diatoms and Dinoflagellates. 11. To what kingdom do Foraminiferans and Radiolarians belong? 12. Describe at least two differences between Foraminiferans and Radiolarians. 13. What does the term bioluminescence mean? 14. Give an example of an organism that is bioluminescent. 15. What are red tides? 16. What are zooxanthellae and why are they important? 17. Compare and contrast the two major types of bacteria found in the ocean. 18. Briefly describe the structure of diatoms. 19. Which photosynthetic pigments give diatoms their golden color? 20. How do protozoans differ from algae? 21. Briefly describe the structure of Foraminerifera. 22. Briefly describe the structure of Radiolarians. 23. Why do we find more radiolarian ooze in very deep parts of the ocean? 24. Briefly describe the structure of a ciliate. 25. Describe nitrogen fixation and its importance. 26. Describe the frustule of a diatom. 27. What is diatomaceous ooze? 28. Describe the importance of unicellular algae. 29. Where is the Bay of Fire located, and how did it receive its name? 30. Briefly describe the structure of coccolithophorids. COMPLETE THE FOLLOWING TABLE: Diatoms Dinoflagellates Coccolithophorids Protozoan Protistans Radiolarian Description Planktonic or benthic? Auto vs. hetero? Photosynthetic pigments? May form blooms? Reproduction Description Cell wall or shell composition Foraminifera Ciliates