51) Which of the following have gas chambers that serve as floats and sails that allow the wind
to push them across the ocean surface?
A) Cnidarians
B) Coccolithophores
C) Ctenophores
D) Foraminifers
E) Radiolarians
Bloom’s Taxonomy: Remembering/Understanding
Section: 14.1 How Are Marine Organisms Able to Stay Above the Ocean Floor?
Essent’l Concept: 14.1 Compare the various methods by which marine organisms are able to
avoid sinking through the water column
OSLP: 5 The ocean supports a great diversity of life and ecosystems.
52) The “Portuguese man-of-war” is an example of which of the following?
A) Cnidarians
B) Coccolithophores
C) Ctenophores
D) Foraminifers
E) Radiolarians
Bloom’s Taxonomy: Remembering/Understanding
Section: 14.1 How Are Marine Organisms Able to Stay Above the Ocean Floor?
Essent’l Concept: 14.1 Compare the various methods by which marine organisms are able to
avoid sinking through the water column
OSLP: 5 The ocean supports a great diversity of life and ecosystems.
53) Jellies are an example of which of the following?
A) Cnidarians
B) Coccolithophores
C) Ctenophores
D) Foraminifers
E) Radiolarians
Bloom’s Taxonomy: Remembering/Understanding
Section: 14.1 How Are Marine Organisms Able to Stay Above the Ocean Floor?
Essent’l Concept: 14.1 Compare the various methods by which marine organisms are able to
avoid sinking through the water column
OSLP: 5 The ocean supports a great diversity of life and ecosystems.
21
54) Which of the following has tentacles up 60 meters long?
A) Cnidarians
B) Coccolithophores
C) Ctenophores
D) Foraminifers
E) Radiolarians
Bloom’s Taxonomy: Remembering/Understanding
Section: 14.1 How Are Marine Organisms Able to Stay Above the Ocean Floor?
Essent’l Concept: 14.1 Compare the various methods by which marine organisms are able to
avoid sinking through the water column
OSLP: 5 The ocean supports a great diversity of life and ecosystems.
55) Which of the following are armed with nematocysts containing a painful neurotoxin?
A) Cnidarians
B) Coccolithophores
C) Ctenophores
D) Foraminifers
E) Radiolarians
Bloom’s Taxonomy: Remembering/Understanding
Section: 14.1 How Are Marine Organisms Able to Stay Above the Ocean Floor?
Essent’l Concept: 14.1 Compare the various methods by which marine organisms are able to
avoid sinking through the water column
OSLP: 5 The ocean supports a great diversity of life and ecosystems.
56) Squids, fish, sea turtles, and marine mammals are examples of ________ organisms.
A) abyssal
B) benthic
C) nektonic
D) phytoplanktonic
E) zooplanktonic
Bloom’s Taxonomy: Remembering/Understanding
Section: 14.1 How Are Marine Organisms Able to Stay Above the Ocean Floor?
Essent’l Concept: 14.1 Compare the various methods by which marine organisms are able to
avoid sinking through the water column
OSLP: 5 The ocean supports a great diversity of life and ecosystems.
22
57) Which of the following squids is the least active?
A) Architeuthis
B) Loligo
C) Nautilus
D) Ommastrephes
E) Spirula
Bloom’s Taxonomy: Remembering/Understanding
Section: 14.1 How Are Marine Organisms Able to Stay Above the Ocean Floor?
Essent’l Concept: 14.1 Compare the various methods by which marine organisms are able to
avoid sinking through the water column
OSLP: 5 The ocean supports a great diversity of life and ecosystems.
58) Squid swim by expelling water out a siphon to propel themselves ________.
A) backward
B) downward
C) forward
D) leftward
E) rightward
Bloom’s Taxonomy: Remembering/Understanding
Section: 14.1 How Are Marine Organisms Able to Stay Above the Ocean Floor?
Essent’l Concept: 14.1 Compare the various methods by which marine organisms are able to
avoid sinking through the water column
OSLP: 5 The ocean supports a great diversity of life and ecosystems.
59) Squid have two long arms and ________ short arms.
A) two
B) four
C) six
D) eight
E) ten
Bloom’s Taxonomy: Remembering/Understanding
Section: 14.1 How Are Marine Organisms Able to Stay Above the Ocean Floor?
Essent’l Concept: 14.1 Compare the various methods by which marine organisms are able to
avoid sinking through the water column
OSLP: 5 The ocean supports a great diversity of life and ecosystems.
23
60) A squids mouthpiece resembles a ________.
A) dog’s mouth
B) dolphin’s blowhole
C) parrot’s beak
D) suction cup
E) volcanic crater
Bloom’s Taxonomy: Remembering/Understanding
Section: 14.1 How Are Marine Organisms Able to Stay Above the Ocean Floor?
Essent’l Concept: 14.1 Compare the various methods by which marine organisms are able to
avoid sinking through the water column
OSLP: 5 The ocean supports a great diversity of life and ecosystems.
61) Most active swimming fish use pelvic fins and pectoral fins ________.
A) for swim propulsion
B) primarily as stabilizers
C) to hold onto prey
D) to increase the surface area
E) to turn, brake, and balance
Bloom’s Taxonomy: Remembering/Understanding
Section: 14.1 How Are Marine Organisms Able to Stay Above the Ocean Floor?
Essent’l Concept: 14.1 Compare the various methods by which marine organisms are able to
avoid sinking through the water column
OSLP: 5 The ocean supports a great diversity of life and ecosystems.
62) Most active swimming fish use vertical fins ________.
A) for swim propulsion
B) primarily as stabilizers
C) to hold onto prey
D) to increase the surface area
E) to turn, brake, and balance
Bloom’s Taxonomy: Remembering/Understanding
Section: 14.1 How Are Marine Organisms Able to Stay Above the Ocean Floor?
Essent’l Concept: 14.1 Compare the various methods by which marine organisms are able to
avoid sinking through the water column
OSLP: 5 The ocean supports a great diversity of life and ecosystems.
24
63) Most active swimming fish use dorsal and anal fins ________.
A) for swim propulsion
B) primarily as stabilizers
C) to hold onto prey
D) to increase the surface area
E) to turn, brake, and balance
Bloom’s Taxonomy: Remembering/Understanding
Section: 14.1 How Are Marine Organisms Able to Stay Above the Ocean Floor?
Essent’l Concept: 14.1 Compare the various methods by which marine organisms are able to
avoid sinking through the water column
OSLP: 5 The ocean supports a great diversity of life and ecosystems.
64) Most high-speed fish use their caudal fins ________.
A) for swim propulsion
B) primarily as stabilizers
C) to hold onto prey
D) to increase the surface area
E) to turn, brake, and balance
Bloom’s Taxonomy: Remembering/Understanding
Section: 14.1 How Are Marine Organisms Able to Stay Above the Ocean Floor?
Essent’l Concept: 14.1 Compare the various methods by which marine organisms are able to
avoid sinking through the water column
OSLP: 5 The ocean supports a great diversity of life and ecosystems.
65) Which of the following types of caudal fins is flexible and useful in accelerating and
maneuvering at slow speeds?
A) Forked caudal fin
B) Heterocercal caudal fin
C) Lunate caudal fin
D) Rounded caudal fin
E) Truncate caudal fin
Bloom’s Taxonomy: Remembering/Understanding
Section: 14.1 How Are Marine Organisms Able to Stay Above the Ocean Floor?
Essent’l Concept: 14.1 Compare the various methods by which marine organisms are able to
avoid sinking through the water column
OSLP: 5 The ocean supports a great diversity of life and ecosystems.
25
66) Which of the following types of caudal fins is found on fast-cruising fish such as tuna,
marlin, and swordfish?
A) Forked caudal fin
B) Heterocercal caudal fin
C) Lunate caudal fin
D) Rounded caudal fin
E) Truncate caudal fin
Bloom’s Taxonomy: Remembering/Understanding
Section: 14.1 How Are Marine Organisms Able to Stay Above the Ocean Floor?
Essent’l Concept: 14.1 Compare the various methods by which marine organisms are able to
avoid sinking through the water column
OSLP: 5 The ocean supports a great diversity of life and ecosystems.
67) Which of the following types of caudal fins is asymmetrical, with most of their mass and
surface area in the upper lobe?
A) Forked caudal fin
B) Heterocercal caudal fin
C) Lunate caudal fin
D) Rounded caudal fin
E) Truncate caudal fin
Bloom’s Taxonomy: Remembering/Understanding
Section: 14.1 How Are Marine Organisms Able to Stay Above the Ocean Floor?
Essent’l Concept: 14.1 Compare the various methods by which marine organisms are able to
avoid sinking through the water column
OSLP: 5 The ocean supports a great diversity of life and ecosystems.
68) Which of the following types of caudal fins is found in sharks?
A) Forked caudal fin
B) Heterocercal caudal fin
C) Lunate caudal fin
D) Rounded caudal fin
E) Truncate caudal fin
Bloom’s Taxonomy: Remembering/Understanding
Section: 14.1 How Are Marine Organisms Able to Stay Above the Ocean Floor?
Essent’l Concept: 14.1 Compare the various methods by which marine organisms are able to
avoid sinking through the water column
OSLP: 5 The ocean supports a great diversity of life and ecosystems.
26
69) Red muscle tissue in fish supplies a much ________ amount of oxygen and supports a much
________ metabolic rate than white tissue.
A) greater; higher
B) greater; lower
C) lesser; higher
D) lesser; lower
Bloom’s Taxonomy: Remembering/Understanding
Section: 14.2 What Adaptations Do Pelagic Organisms Possess for Seeking Prey?
Essent’l Concept: 14.2 Specify adaptations that pelagic organisms possess for seeking prey
OSLP: 5 The ocean supports a great diversity of life and ecosystems.
70) White muscle tissue in fish supplies a much ________ amount of oxygen and supports a
much ________ metabolic rate than red tissue.
A) greater; higher
B) greater; lower
C) lower; higher
D) lower; lower
Bloom’s Taxonomy: Remembering/Understanding
Section: 14.2 What Adaptations Do Pelagic Organisms Possess for Seeking Prey?
Essent’l Concept: 14.2 Specify adaptations that pelagic organisms possess for seeking prey
OSLP: 5 The ocean supports a great diversity of life and ecosystems.
71) Red muscle tissue in fish is ________ and contains much ________ concentrations of
myoglobin than white muscle tissue.
A) thicker; higher
B) thicker; lower
C) thinner; higher
D) thinner; lower
Bloom’s Taxonomy: Remembering/Understanding
Section: 14.2 What Adaptations Do Pelagic Organisms Possess for Seeking Prey?
Essent’l Concept: 14.2 Specify adaptations that pelagic organisms possess for seeking prey
OSLP: 5 The ocean supports a great diversity of life and ecosystems.
27
72) White muscle tissue in fish is ________ and contains much ________ concentrations of
myoglobin than red muscle tissue.
A) thicker; higher
B) thicker; lower
C) thinner; higher
D) thinner; lower
Bloom’s Taxonomy: Remembering/Understanding
Section: 14.2 What Adaptations Do Pelagic Organisms Possess for Seeking Prey?
Essent’l Concept: 14.2 Specify adaptations that pelagic organisms possess for seeking prey
OSLP: 5 The ocean supports a great diversity of life and ecosystems.
73) Which of the following fish waits patiently for prey and exerts themselves only in short
bursts as they lunge?
A) Grouper
B) Marlin
C) Shark
D) Swordfish
E) Tuna
Bloom’s Taxonomy: Remembering/Understanding
Section: 14.2 What Adaptations Do Pelagic Organisms Possess for Seeking Prey?
Essent’l Concept: 14.2 Specify adaptations that pelagic organisms possess for seeking prey
OSLP: 5 The ocean supports a great diversity of life and ecosystems.
74) Which of the following fast-swimming fish has the lowest body temperature?
A) Bluefin tuna (Thynnus)
B) Bonito (Sarda)
C) Mackerel (Scomber)
D) Moonfish Opah (Lampris guttatus)
E) Yellowtail (Seriola)
Bloom’s Taxonomy: Remembering/Understanding
Section: 14.2 What Adaptations Do Pelagic Organisms Possess for Seeking Prey?
Essent’l Concept: 14.2 Specify adaptations that pelagic organisms possess for seeking prey
OSLP: 5 The ocean supports a great diversity of life and ecosystems.
28
75) Deep-sea fish species exhibit which of the following adaptations to life in the deep ocean?
A) Hinged jaws
B) Insensitive eyes
C) Rigid bodies
D) Small mouths
E) Small sharp teeth
Bloom’s Taxonomy: Remembering/Understanding
Section: 14.2 What Adaptations Do Pelagic Organisms Possess for Seeking Prey?
Essent’l Concept: 14.2 Specify adaptations that pelagic organisms possess for seeking prey
OSLP: 5 The ocean supports a great diversity of life and ecosystems.
76) Whales evolved from a land-dwelling ancestor similar to which of the following?
A) Bear
B) Elephant
C) Hippopotamus
D) Mastodon
E) Yak
Bloom’s Taxonomy: Remembering/Understanding
Section: 14.4 What Characteristics Do Marine Mammals Possess?
Essent’l Concept: 14.4 Differentiate between the main groups of marine mammals based on their
physical characteristics
OSLP: 5 The ocean supports a great diversity of life and ecosystems.
77) Fossil discoveries indicate that whales evolved from mammals on land about ________
million years ago.
A) 50
B) 60
C) 70
D) 80
E) 90
Bloom’s Taxonomy: Remembering/Understanding
Section: 14.4 What Characteristics Do Marine Mammals Possess?
Essent’l Concept: 14.4 Differentiate between the main groups of marine mammals based on their
physical characteristics
OSLP: 5 The ocean supports a great diversity of life and ecosystems.
29
78) Sea otters are members of which of the following orders?
A) Carnivora
B) Cetacea
C) Chiroptera
D) Rhenanida
E) Sirenia
Bloom’s Taxonomy: Remembering/Understanding
Section: 14.4 What Characteristics Do Marine Mammals Possess?
Essent’l Concept: 14.4 Differentiate between the main groups of marine mammals based on their
physical characteristics
OSLP: 5 The ocean supports a great diversity of life and ecosystems.
79) Polar bears are members of which of the following orders?
A) Carnivora
B) Cetacea
C) Chiroptera
D) Rhenanida
E) Sirenia
Bloom’s Taxonomy: Remembering/Understanding
Section: 14.4 What Characteristics Do Marine Mammals Possess?
Essent’l Concept: 14.4 Differentiate between the main groups of marine mammals based on their
physical characteristics
OSLP: 5 The ocean supports a great diversity of life and ecosystems.
80) Walruses are members of which of the following orders?
A) Carnivora
B) Cetacea
C) Chiroptera
D) Rhenanida
E) Sirenia
Bloom’s Taxonomy: Remembering/Understanding
Section: 14.4 What Characteristics Do Marine Mammals Possess?
Essent’l Concept: 14.4 Differentiate between the main groups of marine mammals based on their
physical characteristics
OSLP: 5 The ocean supports a great diversity of life and ecosystems.
30