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: Sperm whales use a __________ to modify the complex sounds that they produce.
	A: spermaceti organ
	B: tympanic bulla
	C: statocyst
	D: lateral line

2: It has been suggested that large tuna are capable of speeds in excess of 110 kilometers per hour.
	A: TRUE
	B: FALSE

3: The aerial phase, or leaping motion, during rapid swimming in dolphins is known as:
	A: porpoising
	B: flying
	C: sprinting
	D: crossing over

4: Crossover speed is the swimming velocity at which:
	A: it is easiest for a predator to catch its prey
	B: it becomes more efficient to leap rather than remain submerged
	C: penguins swim through the Antarctic Divergence
	D: remoras can no longer cling to larger fishes

5: Elephant seals arrive at their chosen rookery:
	A: once each year
	B: twice each year
	C: it differs for males and females
	D: once every third year

6: The milk of elephant seals is:
	A: always low in fat content
	B: always high in fat content
	C: increases in fat content during the nursing period
	D: decreases in fat content during the nursing period

7: American eels and their close relatives, the European eel, are distinguished from each other based on:
	A: size at maturity
	B: physical appearance
	C: vertebral counts
	D: coloration

8: Which of the following characteristics is not present in tuna?
	A: rigid body
	B: no finlets or keels on body
	C: small scales
	D: depressed caudal peduncle

9: The most numerous and widespread species of holoplankton are the:
	A: jellyfishes
	B: siphonophores
	C: larvaceans
	D: crustaceans

10: Photophores are:
	A: light-producing organs
	B: pockets on skin that contain bioluminescent bacteria
	C: light-capturing structures in chloroplasts
	D: nocturnal members of the plankton community

11: The marine food web may be reversed by chaetognaths when these zooplankters prey on:
	A: phytoplankton
	B: other zooplankton
	C: microbes
	D: fish larvae

12: Great white sharks shift from a diet of fishes to high-energy (blubber-filled) seals at a body length of:
	A: one meter
	B: two meters
	C: three meters
	D: four meters

13: Which of the following is possessed by both male and female elephant seals?
	A: elongated nose
	B: enlarged canines
	C: thickened neck
	D: hairless hide

14: Large bluefin tuna may be capable of swimming at speeds of:
	A: 30 mph
	B: 40 mph
	C: 70 mph
	D: 90 mph

15: Cetaceans produce their echolocation sounds with:
	A: their larynx
	B: their vocal cords
	C: their phonic lips
	D: their throats

16: The high-frequency sounds used during echolocation are known as:
	A: ultrasonic
	B: infrasonic
	C: supersonic
	D: megasonic

17: Physostomous swim bladders are:
	A: found in all bony fishes
	B: more advanced than physoclistous swim bladders
	C: only found in sharks and rays
	D: none of the above

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