Question 1

Many deep-sea fishes have tubular eyes with

Accepted Answer

A)  a single large retina. 
B)  two retinas. 
C)  multiple retinas. 
D)  no retina. 
E)  compound eyes. 
A)  a single large retina. 
B)  two retinas. 
C)  multiple retinas. 
D)  no retina. 
E)  compound eyes. B

Question 2

Deep ocean organisms expend little energy to stay afloat because

Accepted Answer

A)  they have air bladders. 
B)  they have a high oil content. 
C)  of their small size. 
D)  they are the same density as the surrounding environment. 
E)  their metabolism is high. 
A)  they have air bladders. 
B)  they have a high oil content. 
C)  of their small size. 
D)  they are the same density as the surrounding environment. 
E)  their metabolism is high. D

Question 3

Match the eye characteristic with the most closely associated depth.
-Deepest regions

Accepted Answer

A) tiny, only slightly functional 
B) small and less functional 
C) large - tubular 
A) tiny, only slightly functional 
B) small and less functional 
C) large - tubular A

Question 4

Why did the British naturalist Edward Forbes conclude that animal life could not exist in the sea below a depth of 55 meters?

Accepted Answer

At the time scientist knew only about su

Question 5

Vestimentiferan worms lack digestive tissues.

Accepted Answer

A) True 
 B)False

Question 6

The deep-sea soft-bottom food chain is: ____.

Accepted Answer

A)  infauna → meiofauna → bacteria 
B)  bacteria → meiofauna → infauna 
C)  meiofauna → bacteria → infauna 
D)  meiofauna → infauna → bacteria 
A)  infauna → meiofauna → bacteria 
B)  bacteria → meiofauna → infauna 
C)  meiofauna → bacteria → infauna 
D)  meiofauna → infauna → bacteria

Question 7

Evolutionary biologists find the deep sea interesting because

Accepted Answer

A)  of the unusual environmental conditions. 
B)  of the abundance of organisms. 
C)  the environment has remained stable for 100 million years. 
D)  the environment is constantly changing due to continental drift. 
A)  of the unusual environmental conditions. 
B)  of the abundance of organisms. 
C)  the environment has remained stable for 100 million years. 
D)  the environment is constantly changing due to continental drift.

Question 8

Match the food capture mechanism with the most closely associated species.
-Gulper eels

Accepted Answer

A) curved, fanglike teeth; chin barbel 
B) dorsal spine lure, vacuum ingestion 
C) hinged jaws, expandable stomach 
A) curved, fanglike teeth; chin barbel 
B) dorsal spine lure, vacuum ingestion 
C) hinged jaws, expandable stomach

Question 9

Of the belemnites thought to be extinct, the Challenger Expedition discovered the living fossil genus:

Accepted Answer

A)  Spirula. 
B)  Latimeria. 
C)  Neopilina. 
D)  Calyptegena. 
A)  Spirula. 
B)  Latimeria. 
C)  Neopilina. 
D)  Calyptegena.

Question 10

At the deepest depths many animals find prey by relying on

Accepted Answer

A)  tactile senses. 
B)  chemical stimuli. 
C)  large eyes. 
D)  both a and b 
E)  both b and c 
A)  tactile senses. 
B)  chemical stimuli. 
C)  large eyes. 
D)  both a and b 
E)  both b and c

Question 11

Match the term with the most closely associated manned deep diving device.
-JASON II

Accepted Answer

A) bathyscaphe 
B) ROV 
C) manned submersible 
A) bathyscaphe 
B) ROV 
C) manned submersible

Question 12

The density of the organisms living at great depths is about:

Accepted Answer

A)  the same as the surrounding density. 
B)  greater than the surrounding density. 
C)  less than the surrounding density. 
A)  the same as the surrounding density. 
B)  greater than the surrounding density. 
C)  less than the surrounding density.

Question 13

Deep-sea vent communities are associated with volcanic ridges on the seafloor and cold-water seeps.

Accepted Answer

A) True 
 B)False

Question 14

The disphotic zone is the deepest part of the world's oceans.

Accepted Answer

A) True 
 B)False

Question 15

Match the term with the most closely associated manned deep diving device.
-Trieste

Accepted Answer

A) bathyscaphe 
B) ROV 
C) manned submersible 
A) bathyscaphe 
B) ROV 
C) manned submersible

Question 16

MATCHING
Match the use of bioluminescence with its most closely associated species.
-Laternfish

Accepted Answer

A) attract prey 
B) confuse predator 
C) mate selection 
A) attract prey 
B) confuse predator 
C) mate selection

Question 17

The limpet-like Neopilina was thought to be extinct for over

Accepted Answer

A)  100 million years. 
B)  175 million years. 
C)  250 million years. 
D)  350 million years. 
E)  1 billion years. 
A)  100 million years. 
B)  175 million years. 
C)  250 million years. 
D)  350 million years. 
E)  1 billion years.

Question 18

The density of cold water at great depths is

Accepted Answer

A)  lower than surface waters. 
B)  similar to the surface waters. 
C)  higher than the surface waters. 
D)  always the same throughout the water column. 
E)  variable, depending on latitude. 
A)  lower than surface waters. 
B)  similar to the surface waters. 
C)  higher than the surface waters. 
D)  always the same throughout the water column. 
E)  variable, depending on latitude.

Question 19

The main source of light in the deep sea is:

Accepted Answer

A)  the sun. 
B)  bioluminescence. 
C)  underwater volcanoes. 
D)  dinoflagellates. 
E)  anglerfish. 
A)  the sun. 
B)  bioluminescence. 
C)  underwater volcanoes. 
D)  dinoflagellates. 
E)  anglerfish.

Question 20

Match the tropic level with the most closely associated vent community species.
-Crabs

Accepted Answer

A) primary consumers 
B) primary producers 
C) secondary consumers 
A) primary consumers 
B) primary producers 
C) secondary consumers

Many deep-sea fishes have tubular eyes with

Deep ocean organisms expend little energy to stay afloat because

Match the eye characteristic with the most closely associated depth. -Deepest regions

Why did the British naturalist Edward Forbes conclude that animal life could not exist in the sea below a depth of 55 meters?

Vestimentiferan worms lack digestive tissues.

The deep-sea soft-bottom food chain is: ____.

Evolutionary biologists find the deep sea interesting because

Match the food capture mechanism with the most closely associated species. -Gulper eels

Of the belemnites thought to be extinct, the Challenger Expedition discovered the living fossil genus:

At the deepest depths many animals find prey by relying on

Match the term with the most closely associated manned deep diving device. -JASON II

The density of the organisms living at great depths is about:

Deep-sea vent communities are associated with volcanic ridges on the seafloor and cold-water seeps.

The disphotic zone is the deepest part of the world's oceans.

Match the term with the most closely associated manned deep diving device. -Trieste

MATCHING Match the use of bioluminescence with its most closely associated species. -Laternfish

The limpet-like Neopilina was thought to be extinct for over

The density of cold water at great depths is

The main source of light in the deep sea is:

Match the tropic level with the most closely associated vent community species. -Crabs

Science and Marine Biology

Fundamentals of Ecology

Geology of the Ocean

Water, Waves, and Tides

Biological Concepts

Marine Microbes

Multicellular Primary Producers

Lower Invertebrates

Higher Invertebrates

Marine Fishes

Reptiles and Birds

Marine Mammals

Intertidal Communities

Estuaries

Coral Reef Communities

Continental Shelves and Neritic Zone

The Open Sea

Harvesting the Oceans Resources

Oceans in Jeopardy

Filters

Exam 18: Life in the Oceans Depths

Many deep-sea fishes have tubular eyes with

Deep ocean organisms expend little energy to stay afloat because

Match the eye characteristic with the most closely associated depth. -Deepest regions

Why did the British naturalist Edward Forbes conclude that animal life could not exist in the sea below a depth of 55 meters?

Vestimentiferan worms lack digestive tissues.

The deep-sea soft-bottom food chain is: ____.

Evolutionary biologists find the deep sea interesting because

Match the food capture mechanism with the most closely associated species. -Gulper eels

Of the belemnites thought to be extinct, the Challenger Expedition discovered the living fossil genus:

At the deepest depths many animals find prey by relying on

Match the term with the most closely associated manned deep diving device. -JASON II

The density of the organisms living at great depths is about:

Deep-sea vent communities are associated with volcanic ridges on the seafloor and cold-water seeps.

The disphotic zone is the deepest part of the world's oceans.

Match the term with the most closely associated manned deep diving device. -Trieste

MATCHING Match the use of bioluminescence with its most closely associated species. -Laternfish

The limpet-like Neopilina was thought to be extinct for over

The density of cold water at great depths is

The main source of light in the deep sea is:

Match the tropic level with the most closely associated vent community species. -Crabs

Science and Marine Biology

Fundamentals of Ecology

Geology of the Ocean

Water, Waves, and Tides

Biological Concepts

Marine Microbes

Multicellular Primary Producers

Lower Invertebrates

Higher Invertebrates

Marine Fishes

Reptiles and Birds

Marine Mammals

Intertidal Communities

Estuaries

Coral Reef Communities

Continental Shelves and Neritic Zone

The Open Sea

Harvesting the Oceans Resources

Oceans in Jeopardy

Filters