Sumich Marine Biology, 8E: Study Quizzes

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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: The earliest life forms definitely originated at hot vents in the deep-sea floor.
	A: TRUE
	B: FALSE

2: Pytheas was the first to develop a method for determination of latitude in 325 B.C.
	A: TRUE
	B: FALSE

3: The voyage of the H.M.S. Challenger lasted more than three years.
	A: TRUE
	B: FALSE

4: Although Alfred Wegener first proposed continental drift in the early 1900s, it was not until the mid 1960s that plate tectonics became widely accepted.
	A: TRUE
	B: FALSE

5: California earthquakes are the result of the North American plate and the Nazca plate rubbing and crashing together.
	A: TRUE
	B: FALSE

6: The gigantic supercontinent that fractured to form today's varied continental masses is known as Gaea.
	A: TRUE
	B: FALSE

7: During the last glacial maximum (LGM), sea level dropped about 100 feet from where it is today.
	A: TRUE
	B: FALSE

8: Continental shelves account for about 8% of the ocean's surface area.
	A: TRUE
	B: FALSE

9: Seamounts are mountains in the sea that erupt above the surface to create oceanic islands.
	A: TRUE
	B: FALSE

10: When two atoms share a pair of electrons, an ionic bond is formed between the atoms.
	A: TRUE
	B: FALSE

11: Liquid water at four degrees above zero is more dense than frozen water at zero degrees C.
	A: TRUE
	B: FALSE

12: Although insects are incredibly diverse on land, the water strider is one of the few completely marine insects known.
	A: TRUE
	B: FALSE

13: The maximum salinity in the sea occurs in the Red Sea and reaches about 40.
	A: TRUE
	B: FALSE

14: If there are salt concentrations inside and outside of a cell (or animal), and no concentration gradient exists, an isosmotic condition exists.
	A: TRUE
	B: FALSE

15: Most invertebrates are osmoconformers whereas most vertebrates and marine plants possess well-developed osmoregulatory mechanisms.
	A: TRUE
	B: FALSE

16: When a maturing salmon leaves its home river and enters the salty sea, it begins to passively gain water and lose salts through its high-surface area gills.
	A: TRUE
	B: FALSE

17: Of all visible wavelengths in the electromagnetic spectrum, red light (with relatively long wavelengths) travels through seawater least well (it disappears within 10 meters).
	A: TRUE
	B: FALSE

18: The world ocean contains about 50 times as much carbon dioxide as our atmosphere.
	A: TRUE
	B: FALSE

19: Under typical conditions, temperature fluctuations exert a greater influence on seawater density than does salinity changes.
	A: TRUE
	B: FALSE

20: The Bay of Fundy, between Nova Scotia and New Brunswick, experiences a daily tidal range of more than 15 meters.
	A: TRUE
	B: FALSE

Optional: Enter your name and your instructor's E-mail address to have your results E-mailed to him or her.
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