Question 1

Desiccation refers to the constant inundation of sub-tidal rocky reefs.

Accepted Answer

A) True 
 B)False  False

Question 2

Estuaries are nutrient rich environments that foster very high biodiversity.

Accepted Answer

A) True 
 B)False  True

Question 3

In the nutrient-poor water of the tropics, specialized dinoflagellates aid coral's success by:

Accepted Answer

A)  providing carbon dioxide and phosphates for coral. 
B)  providing a safe and stable environment for coral. 
C)  causing coral bleaching. 
D)  providing oxygen, carbohydrates, and absorbing waste products. 
A)  providing carbon dioxide and phosphates for coral. 
B)  providing a safe and stable environment for coral. 
C)  causing coral bleaching. 
D)  providing oxygen, carbohydrates, and absorbing waste products. D

Question 4

Animals that are attached to the bottom are called:

Accepted Answer

A)  sessile. 
B)  motile. 
C)  infaunal. 
D)  interstitial. 
A)  sessile. 
B)  motile. 
C)  infaunal. 
D)  interstitial.

Question 5

One of Earth's most rigorous habitats is a:

Accepted Answer

A)  sand beach. 
B)  coral reef. 
C)  kelp forest. 
D)  rocky intertidal. 
A)  sand beach. 
B)  coral reef. 
C)  kelp forest. 
D)  rocky intertidal.

Question 6

Deep sea vent communities depend on specialized photoautotrophs that extract the exceedingly dim light that filters down to that depth.

Accepted Answer

A) True 
 B)False

Question 7

Are the physical and chemical conditions stable in intertidal environments? Explain why or why not and provide examples to support your claims.

Accepted Answer

On a daily basis, organisms of the inter

Question 8

Is the distribution of benthic organisms random? Explain why or why not.

Accepted Answer

No, the distribution of benthic organism

Question 9

Intertidal organisms can protect themselves from wave shock by:

Accepted Answer

A)  moving out to the open ocean during high tides. 
B)  adhering themselves to the rocks. 
C)  sliding out of small crack as the wave crashes around them. 
D)  releasing themselves from rocks.. 
A)  moving out to the open ocean during high tides. 
B)  adhering themselves to the rocks. 
C)  sliding out of small crack as the wave crashes around them. 
D)  releasing themselves from rocks..

Question 10

Which of the following groups of organisms includes only true marine vascular plants?

Accepted Answer

A)  rhodophytes, chlorophytes and phaeophytes. 
B)  diatoms, dinoflagellates and coccolithophores. 
C)  kelp forests and seagrasses. 
D)  mangroves and salt marshes. 
A)  rhodophytes, chlorophytes and phaeophytes. 
B)  diatoms, dinoflagellates and coccolithophores. 
C)  kelp forests and seagrasses. 
D)  mangroves and salt marshes.

Question 11

Organisms common in the rocky intertidal include all of the following EXCEPT:

Accepted Answer

A)  benthic multicellular algae. 
B)  snails. 
C)  flat fish. 
D)  small sculpins. 
A)  benthic multicellular algae. 
B)  snails. 
C)  flat fish. 
D)  small sculpins.

Question 12

All of the following represent benthic communities EXCEPT:

Accepted Answer

A)  phytoplankton. 
B)  kelp forest. 
C)  coral reef. 
D)  hydrothermal vent communities. 
A)  phytoplankton. 
B)  kelp forest. 
C)  coral reef. 
D)  hydrothermal vent communities.

Question 13

The most common pattern for benthic organism distributions is:

Accepted Answer

A)  clumped distribution. 
B)  negative binomial distribution. 
C)  random distribution. 
D)  uniform distribution. 
A)  clumped distribution. 
B)  negative binomial distribution. 
C)  random distribution. 
D)  uniform distribution.

Question 14

Primary productivity in estuaries is high because:

Accepted Answer

A)  light is seasonal and dim. 
B)  nutrients are abundant. 
C)  symbiotic autotrophs live within the tissues of estuary animals. 
D)  nutrients are abundant and light is dim. 
A)  light is seasonal and dim. 
B)  nutrients are abundant. 
C)  symbiotic autotrophs live within the tissues of estuary animals. 
D)  nutrients are abundant and light is dim.

Question 15

Which of the following is FALSE concerning deep-sea floor organisms?

Accepted Answer

A)  Several organisms have adapted unique feeding strategies. 
B)  Organisms that produce calcium carbonate skeletons are unusually strong. 
C)  Metabolic rates are typically low relative to an organism's surface-dwelling relative. 
D)  Most are small in size, but it is not unusual for species to demonstrate gigantism. 
A)  Several organisms have adapted unique feeding strategies. 
B)  Organisms that produce calcium carbonate skeletons are unusually strong. 
C)  Metabolic rates are typically low relative to an organism's surface-dwelling relative. 
D)  Most are small in size, but it is not unusual for species to demonstrate gigantism.

Question 16

Which of the following statements is FALSE concerning hydrothermal vents?

Accepted Answer

A)  They are found in shallow waters near subduction zones. 
B)  Certain animals are found at hydrothermal vents such as pogonophorans . 
C)  Hydrothermal vents are found associated with spreading centers. 
D)  Vent waters cool as they are released from the vent. 
A)  They are found in shallow waters near subduction zones. 
B)  Certain animals are found at hydrothermal vents such as pogonophorans . 
C)  Hydrothermal vents are found associated with spreading centers. 
D)  Vent waters cool as they are released from the vent.

Question 17

What is an atoll? Describe the steps that occur in the formation of an atoll.

Accepted Answer

An atoll is a ring-shaped coral reef fou

Question 18

Benthic organisms live:

Accepted Answer

A)  on or associated with the seafloor. 
B)  suspended in the water column. 
C)  by drifting through the water, unable to swim against currents. 
D)  as parasites. 
A)  on or associated with the seafloor. 
B)  suspended in the water column. 
C)  by drifting through the water, unable to swim against currents. 
D)  as parasites.

Question 19

A reason for the great diversity and success of organisms in the rocky intertidal is:

Accepted Answer

A)  the large quantity of food available. 
B)  the vast amount of space available. 
C)  the lack of nekton. 
D)  the rise and fall of the tides. 
A)  the large quantity of food available. 
B)  the vast amount of space available. 
C)  the lack of nekton. 
D)  the rise and fall of the tides.

Question 20

Food in the intertidal zone is:

Accepted Answer

A)  not particularly abundant, so resident organisms are in constant competition for the limiting resource. 
B)  abundant but inaccessible, so few organisms are able to inhabit the area. 
C)  abundant and accessible, but there are few organisms adapted to feed in this environment. 
D)  abundant and accessible, and there are many organisms that are adapted to take advantage of it. 
A)  not particularly abundant, so resident organisms are in constant competition for the limiting resource. 
B)  abundant but inaccessible, so few organisms are able to inhabit the area. 
C)  abundant and accessible, but there are few organisms adapted to feed in this environment. 
D)  abundant and accessible, and there are many organisms that are adapted to take advantage of it.

Desiccation refers to the constant inundation of sub-tidal rocky reefs.

Estuaries are nutrient rich environments that foster very high biodiversity.

In the nutrient-poor water of the tropics, specialized dinoflagellates aid coral's success by:

Animals that are attached to the bottom are called:

One of Earth's most rigorous habitats is a:

Deep sea vent communities depend on specialized photoautotrophs that extract the exceedingly dim light that filters down to that depth.

Are the physical and chemical conditions stable in intertidal environments? Explain why or why not and provide examples to support your claims.

Is the distribution of benthic organisms random? Explain why or why not.

Intertidal organisms can protect themselves from wave shock by:

Which of the following groups of organisms includes only true marine vascular plants?

Organisms common in the rocky intertidal include all of the following EXCEPT:

All of the following represent benthic communities EXCEPT:

The most common pattern for benthic organism distributions is:

Primary productivity in estuaries is high because:

Which of the following is FALSE concerning deep-sea floor organisms?

Which of the following statements is FALSE concerning hydrothermal vents?

What is an atoll? Describe the steps that occur in the formation of an atoll.

Benthic organisms live:

A reason for the great diversity and success of organisms in the rocky intertidal is:

Food in the intertidal zone is:

The Origin of the Ocean

A History of Marine Science

Earth Structure and Plate Tectonics

Ocean Basins

Ocean Sediments

Water

Atmospheric Circulation

Ocean Circulation

Waves

Tides

Coasts

Life in the Ocean

Pelagic Communities

Uses and Abuses of the Ocean

Filters

Exam 14: Benthic Communities

Desiccation refers to the constant inundation of sub-tidal rocky reefs.

Estuaries are nutrient rich environments that foster very high biodiversity.

In the nutrient-poor water of the tropics, specialized dinoflagellates aid coral's success by:

Animals that are attached to the bottom are called:

One of Earth's most rigorous habitats is a:

Deep sea vent communities depend on specialized photoautotrophs that extract the exceedingly dim light that filters down to that depth.

Are the physical and chemical conditions stable in intertidal environments? Explain why or why not and provide examples to support your claims.

Is the distribution of benthic organisms random? Explain why or why not.

Intertidal organisms can protect themselves from wave shock by:

Which of the following groups of organisms includes only true marine vascular plants?

Organisms common in the rocky intertidal include all of the following EXCEPT:

All of the following represent benthic communities EXCEPT:

The most common pattern for benthic organism distributions is:

Primary productivity in estuaries is high because:

Which of the following is FALSE concerning deep-sea floor organisms?

Which of the following statements is FALSE concerning hydrothermal vents?

What is an atoll? Describe the steps that occur in the formation of an atoll.

Benthic organisms live:

A reason for the great diversity and success of organisms in the rocky intertidal is:

Food in the intertidal zone is:

The Origin of the Ocean

A History of Marine Science

Earth Structure and Plate Tectonics

Ocean Basins

Ocean Sediments

Water

Atmospheric Circulation

Ocean Circulation

Waves

Tides

Coasts

Life in the Ocean

Pelagic Communities

Uses and Abuses of the Ocean

Filters