Sumich Marine Biology, 8E: Study Quizzes

Fish

Introduction to the Biology of Marine Life, Eighth Edition, James L. Sumich and John F. Morrissey

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Study Quizzes

Please read each question and select your answer from the choices provided. You must complete all of the questions in order to view your results. At the end of each exam, you have the option to e-mail your results to your instructor.

1: Cyanobacteria were formerly known as:
	A: diatoms
	B: blue-green algae
	C: dinoflagellates
	D: chrysophytes

2: The color of the Red Sea is due to dense concentrations of which phytoplankter?
	A: diatoms
	B: cyanobacteria
	C: dinophytes
	D: silicoflagellates

3: The primary photosynthetic pigment of eucaryotic cells is:
	A: chlorophyll a
	B: xanthophyll
	C: phycobilin
	D: chlorophyll c

4: The two-part cell wall of diatoms is called a:
	A: theca
	B: test
	C: frustule
	D: raphe

5: Diatoms reproduce via:
	A: sexual reproduction
	B: asexual reproduction
	C: both A and B
	D: none of the above

6: The species of diatom that forms a thin film on the bellies of blue whales is:
	A: Cocconeis
	B: Oscillatoria
	C: Rhizosolenia
	D: Thalassiosira

7: Cell sizes of dinophytes, in microns, range from:
	A: 5 to 15
	B: 15 to 50
	C: 25 to 1,000
	D: 400 to 1,200

8: Ciguatera fish poisoning, wherein humans become very ill after eating a tainted fish, is caused by:
	A: Cocconeis
	B: Oscillatoria
	C: Rhizosolenia
	D: Gambierdiscus

9: The smallest phytoplankters in the sea are the:
	A: diatoms
	B: dinophytes
	C: cyanobacteria
	D: chrysophytes

10: One diatom that forms spiral chains of cells to slow its rate of sinking is:
	A: Cocconeis
	B: Asterionella
	C: Rhizosolenia
	D: Gambierdiscus

11: Encapsulated diatoms that have reduced metabolic activity and increased resistance to environmental extremes are called:
	A: spores
	B: haplotypes
	C: cysts
	D: eggs

12: NASA's amazing satellite system, SeaWiFS, stands for:
	A: Sea Watching Information Satellites
	B: Sea-Viewing Wide Field-of-view Sensor
	C: Seasonal Weather Fractionation System
	D: Sea Weather Flying Satellites

13: The first weather satellites placed into orbit in 1959 were called:
	A: SeaWiFS
	B: TIROS
	C: NIMBUS
	D: NOAA

14: On small scales in the epipelagic, dense patches of phytoplankton tend to alternate spatially with:
	A: patches of lifeless water
	B: concentrated patches of zooplankton
	C: patches of mixed "soups" of phyto- and zooplankton
	D: patches of water inhabited by whales

15: The depth at which light intensity drops such that photosynthetic rates equal rates of cellular respiration is the:
	A: crucial depth
	B: compensation depth
	C: critical depth
	D: photic depth

16: The electron transport system that is involved with photosynthesis is contained within the:
	A: light reaction
	B: stroma of chloroplasts
	C: dark reaction
	D: metabolism of all cells

17: Which of the following is not considered to be an accessory pigment used by plants?
	A: chlorophyll
	B: fucoxanthin
	C: phycoerythrin
	D: phycobilins

18: Nitrogen fixation, the conversion of relatively unreactive atmospheric nitrogen (N2) to more reactive compounds is performed by:
	A: diatoms
	B: cyanobacteria
	C: dinophytes
	D: silicoflagellates

19: Studies in various parts of the world ocean suggest that which of the following trace elements limits primary production in the sea?
	A: cobalt
	B: zinc
	C: iron
	D: copper

20: What is the physical feature that prevents upward mixing of nutrient-rich water in the tropics?
	A: surface currents
	B: thermocline
	C: upwelling zones
	D: pycnocline

21: The vertical thermal profile of the temperate sea during the spring is very similar to that of:
	A: polar areas during the fall
	B: tropical areas during the winter
	C: polar areas during the summer
	D: tropical areas during the fall

22: Figure 3.38 reveals that the North Pacific gyre has lower nutrient concentrations than the North Atlantic gyre, the Peru Current, and the Canary Current. Why is this?
	A: The Pacific is so expansive that its center does not benefit from the many upwelling phenomena that occur along coasts
	B: There is no upwelling in the North Atlantic gyre
	C: The Peru Current flows southward, unlike surface currents in these other areas
	D: The Canary Current flows northward, unlike surface currents in these other areas

23: Herbivorous zooplankters that consume phytoplankton are referred to as:
	A: grazers
	B: mowers
	C: cell eaters
	D: croppers

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