Question 1

The ocean environmental zone having low temperature, little or no light, and great pressure is the ________ zone.

Accepted Answer

A)  neritic 
B)  photic 
C)  abyssal 
D)  benthic 
E)  littoral 
A)  neritic 
B)  photic 
C)  abyssal 
D)  benthic 
E)  littoral

Question 2

Which of the following are not protists?

Accepted Answer

A)  Dinoflagellates 
B)  Cyanobacteria 
C)  Diatoms 
D)  Foraminiferans 
E)  Ciliates 
A)  Dinoflagellates 
B)  Cyanobacteria 
C)  Diatoms 
D)  Foraminiferans 
E)  Ciliates

Question 3

Anaerobes cannot survive low-oxygen conditions.

Accepted Answer

A) True 
 B)False

Question 4

An organism's substrate provides

Accepted Answer

A)  food. 
B)  shelter. 
C)  place of attachment. 
D)  shelter and place of attachment. 
E)  food, shelter, and place of attachment. 
A)  food. 
B)  shelter. 
C)  place of attachment. 
D)  shelter and place of attachment. 
E)  food, shelter, and place of attachment.

Question 5

Bony fish maintain a fluid balance by

Accepted Answer

A)  almost continuously drinking seawater and excreting salt. 
B)  maintaining high urea concentrations in their tissues. 
C)  maintaining the same salinity in tissues as the surrounding seawater. 
D)  excreting salt with feces. 
A)  almost continuously drinking seawater and excreting salt. 
B)  maintaining high urea concentrations in their tissues. 
C)  maintaining the same salinity in tissues as the surrounding seawater. 
D)  excreting salt with feces.

Question 6

Natural selection refers to the survival of individuals that leads to a more successful population.

Accepted Answer

A) True 
 B)False

Question 7

Single-celled organisms can be found in all of the following groups except

Accepted Answer

A)  Eukaryotes. 
B)  Prokaryotes. 
C)  Archaea. 
D)  Bacteria. 
E)  Animalia. 
A)  Eukaryotes. 
B)  Prokaryotes. 
C)  Archaea. 
D)  Bacteria. 
E)  Animalia.

Question 8

Psycrophiles are organisms that

Accepted Answer

A)  live in deep-water trenches. 
B)  live in hydrothermal vent waters. 
C)  live in very cold environments. 
D)  live in regions that have abrupt temperature gradients. 
A)  live in deep-water trenches. 
B)  live in hydrothermal vent waters. 
C)  live in very cold environments. 
D)  live in regions that have abrupt temperature gradients.

Question 9

If a marine animal has body fluids that have a lower salt content than the surrounding seawater, water will pass through the animal's body tissues from the _____ to the _____ because of _______.

Accepted Answer

A)  outside; inside; electrolysis 
B)  inside; outside; electrolysis 
C)  outside; inside; osmosis 
D)  inside; outside; osmosis 
E)  None of these are correct; the salt moves, not the water. 
A)  outside; inside; electrolysis 
B)  inside; outside; electrolysis 
C)  outside; inside; osmosis 
D)  inside; outside; osmosis 
E)  None of these are correct; the salt moves, not the water.

Question 10

Countershading of fish

Accepted Answer

A)  makes them more visible. 
B)  causes them to be more transparent. 
C)  reduces their visibility from above and below. 
D)  is a sign of sexual maturity. 
E)  None of these are correct; fish do not exhibit countershading. 
A)  makes them more visible. 
B)  causes them to be more transparent. 
C)  reduces their visibility from above and below. 
D)  is a sign of sexual maturity. 
E)  None of these are correct; fish do not exhibit countershading.

Question 11

The richness and variety of life found on our planet, including the oceans, is referred to as

Accepted Answer

A)  endemism. 
B)  biodiversity. 
C)  species richness. 
D)  evolution. 
A)  endemism. 
B)  biodiversity. 
C)  species richness. 
D)  evolution.

Question 12

Both light energy and inorganic nutrient concentrations are highest in the surface waters and decrease with depth.

Accepted Answer

A) True 
 B)False

Question 13

Two organisms that exhibit similar lifestyles and look nearly identical, but are not closely related, may be

Accepted Answer

A)  cryptic species. 
B)  prokaryotes. 
C)  autotrophs. 
D)  identical species. 
A)  cryptic species. 
B)  prokaryotes. 
C)  autotrophs. 
D)  identical species.

Question 14

Countershaded fish usually have a dark back and a light undersurface.

Accepted Answer

A) True 
 B)False

Question 15

The biological pump

Accepted Answer

A)  helps regulate atmospheric CO2 concentrations. 
B)  depends on photosynthesis. 
C)  feeds most life in the ocean. 
D)  refers to organisms that filter the water for food. 
E)  helps regulate atmospheric CO2 concentrations, depends on photosynthesis, and feeds most life in the ocean. 
A)  helps regulate atmospheric CO2 concentrations. 
B)  depends on photosynthesis. 
C)  feeds most life in the ocean. 
D)  refers to organisms that filter the water for food. 
E)  helps regulate atmospheric CO2 concentrations, depends on photosynthesis, and feeds most life in the ocean.

Question 16

Cyanobacteria are characterized by being

Accepted Answer

A)  decomposers. 
B)  found only in the plankton. 
C)  having a glass-like skeleton. 
D)  protists. 
E)  photosynthetic. 
A)  decomposers. 
B)  found only in the plankton. 
C)  having a glass-like skeleton. 
D)  protists. 
E)  photosynthetic.

Question 17

Photosynthesis is used by all autotrophs to make food.

Accepted Answer

A) True 
 B)False

Question 18

Which zone is more likely to undergo seasonal changes?

Accepted Answer

A)  Hadal 
B)  Bathypelagic 
C)  Neritic 
D)  Mesopelagic 
E)  Aphotic 
A)  Hadal 
B)  Bathypelagic 
C)  Neritic 
D)  Mesopelagic 
E)  Aphotic

Question 19

To maintain their bodies' water balance, marine fish

Accepted Answer

A)  excrete salt through their gills. 
B)  drink water continually. 
C)  produce small amounts of urine. 
D)  excrete salt through their gills and drink water continually. 
E)  excrete salt through their gills, drink water continually, and produce small amounts of urine. 
A)  excrete salt through their gills. 
B)  drink water continually. 
C)  produce small amounts of urine. 
D)  excrete salt through their gills and drink water continually. 
E)  excrete salt through their gills, drink water continually, and produce small amounts of urine.

Question 20

Phylogenetic taxonomy classifies organisms based on evolutionary relationships between ancestor organisms and their descendants.

Accepted Answer

A) True 
 B)False

The ocean environmental zone having low temperature, little or no light, and great pressure is the ________ zone.

Which of the following are <b>not</b> protists?

Anaerobes cannot survive low-oxygen conditions.

An organism's substrate provides

Bony fish maintain a fluid balance by

Natural selection refers to the survival of individuals that leads to a more successful population.

Single-celled organisms can be found in all of the following groups except

Psycrophiles are organisms that

If a marine animal has body fluids that have a lower salt content than the surrounding seawater, water will pass through the animal's body tissues from the ___ to the _ because of _____.

Countershading of fish

The richness and variety of life found on our planet, including the oceans, is referred to as

Both light energy and inorganic nutrient concentrations are highest in the surface waters and decrease with depth.

Two organisms that exhibit similar lifestyles and look nearly identical, but are not closely related, may be

Countershaded fish usually have a dark back and a light undersurface.

The biological pump

Cyanobacteria are characterized by being

Photosynthesis is used by all autotrophs to make food.

Which zone is more likely to undergo seasonal changes?

To maintain their bodies' water balance, marine fish

Phylogenetic taxonomy classifies organisms based on evolutionary relationships between ancestor organisms and their descendants.

The Water Planet

Earth Structure and Plate Tectonics

The Sea Floor and Its Sediments

The Physical Properties of Water

Seawater

The Atmosphere and the Oceans

Ocean Structure and Circulation

The Waves

The Tides

Coasts, Beaches, and Estuaries

The Plankton, Energy, and Food Webs

The Nekton: Swimmers of the Sea

The Benthos: Living on the Sea Floor

Environmental Issues

The Oceans and Climate Disruption

Prologue: The History of Oceanography

Filters

Exam 11: The Living Ocean

The ocean environmental zone having low temperature, little or no light, and great pressure is the ________ zone.

Which of the following are <b>not</b> protists?

Anaerobes cannot survive low-oxygen conditions.

An organism's substrate provides

Bony fish maintain a fluid balance by

Natural selection refers to the survival of individuals that leads to a more successful population.

Single-celled organisms can be found in all of the following groups except

Psycrophiles are organisms that

If a marine animal has body fluids that have a lower salt content than the surrounding seawater, water will pass through the animal's body tissues from the _____ to the _____ because of _______.

Countershading of fish

The richness and variety of life found on our planet, including the oceans, is referred to as

Both light energy and inorganic nutrient concentrations are highest in the surface waters and decrease with depth.

Two organisms that exhibit similar lifestyles and look nearly identical, but are not closely related, may be

Countershaded fish usually have a dark back and a light undersurface.

The biological pump

Cyanobacteria are characterized by being

Photosynthesis is used by all autotrophs to make food.

Which zone is more likely to undergo seasonal changes?

To maintain their bodies' water balance, marine fish

Phylogenetic taxonomy classifies organisms based on evolutionary relationships between ancestor organisms and their descendants.

The Water Planet

Earth Structure and Plate Tectonics

The Sea Floor and Its Sediments

The Physical Properties of Water

Seawater

The Atmosphere and the Oceans

Ocean Structure and Circulation

The Waves

The Tides

Coasts, Beaches, and Estuaries

The Plankton, Energy, and Food Webs

The Nekton: Swimmers of the Sea

The Benthos: Living on the Sea Floor

Environmental Issues

The Oceans and Climate Disruption

Prologue: The History of Oceanography

Filters

If a marine animal has body fluids that have a lower salt content than the surrounding seawater, water will pass through the animal's body tissues from the ___ to the _ because of _____.