Download Review Questions for Chapter 5- regular

Marine Science
Review Questions- Chapter 5-The Microbial World
Mrs. McCloskey
Answer in complete sentences.
1.) Briefly describe the structure of a prokaryotic cell. Include major structures.
2.) How are decay bacteria important to the marine ecosystem?
3.) Cyanobacteria are an important part of the marine environment. Why do they not
all appear green? (Be specific, please)
4.) What is the evolutionary significance of cyanobacteria? How do know that they
are such an ancient group of organisms?
5.) How are cyanobacteria important in terms of the nitrogen cycle?
6.) Briefly describe the structure of diatoms. Which photosynthetic pigments give
diatoms their golden color?
7.) Briefly describe the structure of a dinoflagellate. How is the cell wall different
from diatoms?
8.) Dinoflagellates can be harmful. What harmful ocean phenomenon are
dinoflagellates responsible for?
9.) What are zooxanthellae and where are they found? What type of relationship do
they have with their hosts? (hint: I will ask you about these little guys ALL THE
TIME!)
10.)
How are protozoans different from algae?
11.)
Briefly describe the structure of Foraminerifera.
12.)
Briefly describe the structure of Radiolarians. Why do we find more
radiolarian ooze in very deep parts of the ocean?