Question 1

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 2

Archaea may comprise as much as _____ percent of the prokaryotes in waters deeper than 500 M

Accepted Answer

A)  10 
B)  20 
C)  40 
D)  80 
A)  10 
B)  20 
C)  40 
D)  80

Question 3

Taxonomy is the scientific classification of the ocean's environmental zones.

Accepted Answer

A) True 
 B)False

Question 4

As a rule of thumb, a 10-fold increase in the abundance of an organism is associated with ____________________ in size.

Accepted Answer

A)  a 10-fold increase 
B)  a 10-fold decrease 
C)  a proportional increase 
D)  no change 
A)  a 10-fold increase 
B)  a 10-fold decrease 
C)  a proportional increase 
D)  no change

Question 5

The only zone of the ocean with sufficient light for photosynthesis is the

Accepted Answer

A)  euphotic zone. 
B)  aphotic zone. 
C)  disphotic zone. 
D)  None of these are correct. 
E)  All of these are correct. 
A)  euphotic zone. 
B)  aphotic zone. 
C)  disphotic zone. 
D)  None of these are correct. 
E)  All of these are correct.

Question 6

The abyssal zone is an area of perpetual darkness showing no seasonal changes.

Accepted Answer

A) True 
 B)False

Question 7

Populations can be isolated from one another by changes in

Accepted Answer

A)  light. 
B)  temperature. 
C)  density. 
D)  salinity. 
E)  All of these are correct. 
A)  light. 
B)  temperature. 
C)  density. 
D)  salinity. 
E)  All of these are correct.

Question 8

Even when the supply of inorganic nutrients to the surface is high, due to for example upwelling, the absolute concentration of nutrients in the surface may still be low.

Accepted Answer

A) True 
 B)False

To maintain their bodies' water balance, marine fish

Archaea may comprise as much as _____ percent of the prokaryotes in waters deeper than 500 M

Taxonomy is the scientific classification of the ocean's environmental zones.

As a rule of thumb, a 10-fold increase in the abundance of an organism is associated with ____________________ in size.

The only zone of the ocean with sufficient light for photosynthesis is the

The abyssal zone is an area of perpetual darkness showing no seasonal changes.

Populations can be isolated from one another by changes in

Even when the supply of inorganic nutrients to the surface is high, due to for example upwelling, the absolute concentration of nutrients in the surface may still be low.

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

To maintain their bodies' water balance, marine fish

Archaea may comprise as much as _____ percent of the prokaryotes in waters deeper than 500 M

Taxonomy is the scientific classification of the ocean's environmental zones.

As a rule of thumb, a 10-fold increase in the abundance of an organism is associated with ____________________ in size.

The only zone of the ocean with sufficient light for photosynthesis is the

The abyssal zone is an area of perpetual darkness showing no seasonal changes.

Populations can be isolated from one another by changes in

Even when the supply of inorganic nutrients to the surface is high, due to for example upwelling, the absolute concentration of nutrients in the surface may still be low.

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