Question 1

When sea water freezes

Accepted Answer

A)  Some fish may produce glycoproteins to lower the freezing point of sea water 
B)  The unfrozen water will have a higher salt content 
C)  Enzymes may not function 
D)  All of the above 
A)  Some fish may produce glycoproteins to lower the freezing point of sea water 
B)  The unfrozen water will have a higher salt content 
C)  Enzymes may not function 
D)  All of the above

Question 2

Marine homeotherms have a problem in sea water because

Accepted Answer

A)  They are always in variable temperature conditions 
B)  They have low concentrations of hemoglobin 
C)  They are likely to be losing heat to the water 
D)  Sea water tends to cool down much faster than air 
A)  They are always in variable temperature conditions 
B)  They have low concentrations of hemoglobin 
C)  They are likely to be losing heat to the water 
D)  Sea water tends to cool down much faster than air

Question 3

Some Antarctic fish may freeze because

Accepted Answer

A)  There is sea ice in the water, which keeps the temperature at zero ºC 
B)  Their salt content is less than that of sea water 
C)  They tend to swim to deeper depths where the water is colder 
D)  All of the above 
A)  There is sea ice in the water, which keeps the temperature at zero ºC 
B)  Their salt content is less than that of sea water 
C)  They tend to swim to deeper depths where the water is colder 
D)  All of the above

When sea water freezes

Marine homeotherms have a problem in sea water because

Some Antarctic fish may freeze because

Sounding the Deep

The Oceanic Environment

Climate Oscillations and Climate Change

Ecological and Evolutionary Principles of Marine Biology

Life in a Fluid Medium

Reproduction, Dispersal, and Migration

Plankton

Marine Vertebrates and Other Nekton

The Open Sea: Distributions and Adaptations

Processes in the Water Column

Productivity, Food Webs, and Global Climate Change

Benthic Microorganisms, Seaweeds, and Sea Grasses

The Diversity of Benthic Marine Invertebrates

Benthic Life Habits

The Tidelands: Rocky Shores, Soft-Substratum Shores, Marshes, Mangroves, Estuaries, and Oyster Reefs

The Shallow Coastal Subtidal: Sea Grass Beds, Rocky Reefs, Kelp Forests, and Coral Reefs

Benthos From the Continental Shelf to the Deep Sea

Polar Marine Biology

Biodiversity and Conservation of the Ocean

Fisheries and Food From the Sea

Environmental Impacts of Industrial Activities and Human Populations

Filters

Exam 5: The Chemical and Physical Environment

When sea water freezes

Marine homeotherms have a problem in sea water because

Some Antarctic fish may freeze because

Sounding the Deep

The Oceanic Environment

Climate Oscillations and Climate Change

Ecological and Evolutionary Principles of Marine Biology

Life in a Fluid Medium

Reproduction, Dispersal, and Migration

Plankton

Marine Vertebrates and Other Nekton

The Open Sea: Distributions and Adaptations

Processes in the Water Column

Productivity, Food Webs, and Global Climate Change

Benthic Microorganisms, Seaweeds, and Sea Grasses

The Diversity of Benthic Marine Invertebrates

Benthic Life Habits

The Tidelands: Rocky Shores, Soft-Substratum Shores, Marshes, Mangroves, Estuaries, and Oyster Reefs

The Shallow Coastal Subtidal: Sea Grass Beds, Rocky Reefs, Kelp Forests, and Coral Reefs

Benthos From the Continental Shelf to the Deep Sea

Polar Marine Biology

Biodiversity and Conservation of the Ocean

Fisheries and Food From the Sea

Environmental Impacts of Industrial Activities and Human Populations

Filters