Question 1

Bacteria are a valuable source of protein for other marine organisms.

Accepted Answer

A) True 
 B)False

Question 2

A common mode of feeding for benthos is ________.

Accepted Answer

A)  filter-feeding 
B)  predation 
C)  grazing 
D)  scavenging 
E)  All of these are common. 
A)  filter-feeding 
B)  predation 
C)  grazing 
D)  scavenging 
E)  All of these are common.

Question 3

The predominant source of food in abyssal plains is ________.

Accepted Answer

A)  photosynthetic biomass produced on the seafloor 
B)  photosynthetic biomass produced at the surface 
C)  chemosynthetic biomass produced at hot vents 
D)  chemosynthetic biomass produced at cold seeps 
E)  None of these is correct. 
A)  photosynthetic biomass produced on the seafloor 
B)  photosynthetic biomass produced at the surface 
C)  chemosynthetic biomass produced at hot vents 
D)  chemosynthetic biomass produced at cold seeps 
E)  None of these is correct.

Question 4

Coral bleaching results in ________.

Accepted Answer

A)  the expulsion of zooxanthellae from corals 
B)  the weakening of corals and higher levels of disease 
C)  the death of many corals 
D)  All of these are correct. 
E)  None of these is correct. 
A)  the expulsion of zooxanthellae from corals 
B)  the weakening of corals and higher levels of disease 
C)  the death of many corals 
D)  All of these are correct. 
E)  None of these is correct.

Question 5

A typical kelp forest shows strong vertical zonation from the well-lit surface to the bottom, including (from surface to bottom) which of the following zones?

Accepted Answer

A)  understory, canopy, algae turf 
B)  canopy, understory, algae turf 
C)  canopy, understory, intertidal 
D)  inshore, kelp canopy, offshore 
A)  understory, canopy, algae turf 
B)  canopy, understory, algae turf 
C)  canopy, understory, intertidal 
D)  inshore, kelp canopy, offshore

Question 6

The first trophic level in a hydrothermal vent community is ________.

Accepted Answer

A)  seriously polluted 
B)  dependent on bacteria and their ability to use hydrogen sulfide 
C)  dependent on organic material drifting down from the surface 
D)  provided by larvae drifting in deep-sea currents 
E)  made up of clams and tube worms 
A)  seriously polluted 
B)  dependent on bacteria and their ability to use hydrogen sulfide 
C)  dependent on organic material drifting down from the surface 
D)  provided by larvae drifting in deep-sea currents 
E)  made up of clams and tube worms

Question 7

The symbiotic relationship between coral polyps and zooxanthellae is an example of ________.

Accepted Answer

A)  commensalism 
B)  mutualism 
C)  parasitism 
D)  All of these are correct. 
E)  None of these is correct. 
A)  commensalism 
B)  mutualism 
C)  parasitism 
D)  All of these are correct. 
E)  None of these is correct.

Question 8

There are more kinds of benthic animals than there are pelagic animals.

Accepted Answer

A) True 
 B)False

Question 9

Animals and algae living attached to the bottom are members of the ________.

Accepted Answer

A)  phytoplankton 
B)  zooplankton 
C)  nekton 
D)  benthos 
E)  All of these are correct. 
A)  phytoplankton 
B)  zooplankton 
C)  nekton 
D)  benthos 
E)  All of these are correct.

Question 10

Intertidal zonation on a rocky beach is primarily controlled by the ________.

Accepted Answer

A)  type of bottom 
B)  prey-predator relationships 
C)  salinity, temperature, and pressure 
D)  amount of time an organism spends out of water 
E)  organism's metabolism 
A)  type of bottom 
B)  prey-predator relationships 
C)  salinity, temperature, and pressure 
D)  amount of time an organism spends out of water 
E)  organism's metabolism

Bacteria are a valuable source of protein for other marine organisms.

A common mode of feeding for benthos is ________.

The predominant source of food in abyssal plains is ________.

Coral bleaching results in ________.

A typical kelp forest shows strong vertical zonation from the well-lit surface to the bottom, including (from surface to bottom) which of the following zones?

The first trophic level in a hydrothermal vent community is ________.

The symbiotic relationship between coral polyps and zooxanthellae is an example of ________.

There are more kinds of benthic animals than there are pelagic animals.

Animals and algae living attached to the bottom are members of the ________.

Intertidal zonation on a rocky beach is primarily controlled by the ________.

The Water Planet

Earth Structure and Plate Tectonics

The Sea Floor and Its Sediments

The Physical Properties of Water

The Chemistry of Seawater

The Atmosphere and the Oceans

Ocean Structure and Circulation

The Waves

The Tides

Coasts, Beaches, and Estuaries

The Living Ocean

The Plankton, Productivity, and Food Webs

The Nekton: Swimmers of the Sea

Environmental Issues

The Oceans and Climate Disruption

Filters

Exam 14: The Benthos: Living on the Sea Floor

Bacteria are a valuable source of protein for other marine organisms.

A common mode of feeding for benthos is ________.

The predominant source of food in abyssal plains is ________.

Coral bleaching results in ________.

A typical kelp forest shows strong vertical zonation from the well-lit surface to the bottom, including (from surface to bottom) which of the following zones?

The first trophic level in a hydrothermal vent community is ________.

The symbiotic relationship between coral polyps and zooxanthellae is an example of ________.

There are more kinds of benthic animals than there are pelagic animals.

Animals and algae living attached to the bottom are members of the ________.

Intertidal zonation on a rocky beach is primarily controlled by the ________.

The Water Planet

Earth Structure and Plate Tectonics

The Sea Floor and Its Sediments

The Physical Properties of Water

The Chemistry of Seawater

The Atmosphere and the Oceans

Ocean Structure and Circulation

The Waves

The Tides

Coasts, Beaches, and Estuaries

The Living Ocean

The Plankton, Productivity, and Food Webs

The Nekton: Swimmers of the Sea

Environmental Issues

The Oceans and Climate Disruption

Filters