Question 1

What is the largest, and most sparsely populated, marine community? What are the feeding and breeding habits of organisms that live in this community?

Accepted Answer

The largest marine community-also the mo

Question 2

A group of organisms of the same species that occupy a specific area is called a(n) .

Accepted Answer

A)  community 
B)  population 
C)  ecosystem 
D)  niche 
A)  community 
B)  population 
C)  ecosystem 
D)  niche

Question 3

Where is the greatest annual total oceanic primary productivity?

Accepted Answer

A)  rocky intertidal zones 
B)  in the temperate continental shelves 
C)  in the northern polar regions 
D)  productivity is about equal at all latitudes 
A)  rocky intertidal zones 
B)  in the temperate continental shelves 
C)  in the northern polar regions 
D)  productivity is about equal at all latitudes

Question 4

The symbiotic dinoflagellates that live in the tissues of coral polyps .

Accepted Answer

A)  provide carbon dioxide and phosphates for the polyps 
B)  feed on the tissues of the polyps and are dangerous parasites 
C)  are the main cause of coral bleaching, and are threatening the reefs of the world 
D)  provide additional nourishment and oxygen to the polyps through photosynthesi 
A)  provide carbon dioxide and phosphates for the polyps 
B)  feed on the tissues of the polyps and are dangerous parasites 
C)  are the main cause of coral bleaching, and are threatening the reefs of the world 
D)  provide additional nourishment and oxygen to the polyps through photosynthesi

Question 5

Organisms that spend only part of their life cycle as a member of the plankton community are called .

Accepted Answer

A)  zooplankton 
B)  meroplankton 
C)  holoplankton 
D)  phytoplankton 
A)  zooplankton 
B)  meroplankton 
C)  holoplankton 
D)  phytoplankton

Question 6

Why are harmful algal blooms, or HABs, so dangerous?

Accepted Answer

A)  They block light from reaching other photosynthesizers. 
B)  They can produce potent toxins. 
C)  They clog fish gills. 
D)  They absorb sunlight, raising the water temperature. 
A)  They block light from reaching other photosynthesizers. 
B)  They can produce potent toxins. 
C)  They clog fish gills. 
D)  They absorb sunlight, raising the water temperature.

Question 7

An individual coral animal is called a .

Accepted Answer

A)  polyp 
B)  rhodophyte 
C)  phaeophyte 
D)  stipe 
A)  polyp 
B)  rhodophyte 
C)  phaeophyte 
D)  stipe

Question 8

Which type of organism is responsible for harmful algal blooms, or HABs?

Accepted Answer

A)  diatoms 
B)  dinoflagellates 
C)  coccolithophores 
D)  foraminifera 
A)  diatoms 
B)  dinoflagellates 
C)  coccolithophores 
D)  foraminifera

Question 9

Which of these statements is FALSE concerning estuaries?

Accepted Answer

A)  Larvae are often abundant there. 
B)  Estuaries are in danger of development and pollution. 
C)  Very few autotrophs live in estuaries, but many animals can be found there. 
D)  Estuaries are places where saltwater and fresh water meet. 
A)  Larvae are often abundant there. 
B)  Estuaries are in danger of development and pollution. 
C)  Very few autotrophs live in estuaries, but many animals can be found there. 
D)  Estuaries are places where saltwater and fresh water meet.

Question 10

Nutrients in coral reefs are .

Accepted Answer

A)  extremely limited, which is why productivity is lower than the deep ocean 
B)  so plentiful that there is no limit to phytoplankton growth 
C)  largely trapped below the pycnocline 
D)  recycled efficiently because the water is shallow 
A)  extremely limited, which is why productivity is lower than the deep ocean 
B)  so plentiful that there is no limit to phytoplankton growth 
C)  largely trapped below the pycnocline 
D)  recycled efficiently because the water is shallow

Question 11

The coral reef community .

Accepted Answer

A)  is made up exclusively of various species of coral polyps 
B)  is limited to carnivorous animals 
C)  lies only within the kelp forest habitat of the tropics 
D)  is a highly productive and diverse collection of organisms in shallow water environments 
A)  is made up exclusively of various species of coral polyps 
B)  is limited to carnivorous animals 
C)  lies only within the kelp forest habitat of the tropics 
D)  is a highly productive and diverse collection of organisms in shallow water environments

Question 12

Which of the following categories includes manatees and dugongs?

Accepted Answer

A)  Cetacean 
B)  Cnidaria 
C)  Sirenia 
D)  Teleost 
A)  Cetacean 
B)  Cnidaria 
C)  Sirenia 
D)  Teleost

Question 13

The portion of the pelagic zone that is near the shore on the continental shelf is the .

Accepted Answer

A)  oceanic zone 
B)  abyssal zone 
C)  neritic zone 
D)  bathyal zone 
A)  oceanic zone 
B)  abyssal zone 
C)  neritic zone 
D)  bathyal zone

Question 14

The active swimmers of the pelagic realm are called the zooplankton.

Accepted Answer

A) True 
 B)False

Question 15

Hydrothermal vents support a community of organisms including pogonophorans, clams, crabs, and worms, just to name a few. But hydrothermal vents are found in the deep-sea far from the photic zone. If no light reaches hydrothermal vents, what is the basis of the primary productivity that supports the community?

Accepted Answer

Chemosynthetic microbes metabo

Question 16

Some of the very large species of animals in the ocean, namely whale sharks and baleen whales, feed on plankton. How can they support their large size eating microscopic organisms?

Accepted Answer

Because the plankton that baleen whales

Question 17

Autotrophic plankton are generally called .

Accepted Answer

A)  zooplankton 
B)  meroplankton 
C)  holoplankton 
D)  phytoplankton 
A)  zooplankton 
B)  meroplankton 
C)  holoplankton 
D)  phytoplankton

Question 18

Tube worms at seafloor vents get their energy by .

Accepted Answer

A)  catching small organisms for food 
B)  absorbing the thermal energy of the heated water from the vent 
C)  hosting chemosynthetic bacteria 
D)  performing photosynthesis 
A)  catching small organisms for food 
B)  absorbing the thermal energy of the heated water from the vent 
C)  hosting chemosynthetic bacteria 
D)  performing photosynthesis

Question 19

What do scientists think might form the "stepping stones" that would enable organisms to disperse from one seafloor vent to another?

Accepted Answer

A)  high spots on the seafloor that extend into the photic zone 
B)  whale carcasses 
C)  coral reefs 
D)  large fish that swim from vent to vent 
A)  high spots on the seafloor that extend into the photic zone 
B)  whale carcasses 
C)  coral reefs 
D)  large fish that swim from vent to vent

Question 20

Which of the following statements is FALSE concerning hydrothermal vents?

Accepted Answer

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

What is the largest, and most sparsely populated, marine community? What are the feeding and breeding habits of organisms that live in this community?

A group of organisms of the same species that occupy a specific area is called a(n) .

Where is the greatest annual total oceanic primary productivity?

The symbiotic dinoflagellates that live in the tissues of coral polyps .

Organisms that spend only part of their life cycle as a member of the plankton community are called .

Why are harmful algal blooms, or HABs, so dangerous?

An individual coral animal is called a .

Which type of organism is responsible for harmful algal blooms, or HABs?

Which of these statements is FALSE concerning estuaries?

Nutrients in coral reefs are .

The coral reef community .

Which of the following categories includes manatees and dugongs?

The portion of the pelagic zone that is near the shore on the continental shelf is the .

The active swimmers of the pelagic realm are called the zooplankton.

Some of the very large species of animals in the ocean, namely whale sharks and baleen whales, feed on plankton. How can they support their large size eating microscopic organisms?

Autotrophic plankton are generally called .

Tube worms at seafloor vents get their energy by .

What do scientists think might form the "stepping stones" that would enable organisms to disperse from one seafloor vent to another?

Which of the following statements is FALSE concerning hydrothermal vents?

An Ocean World

Plate Tectonics

The Ocean Floor

Water and Ocean Structure

Atmospheric Circulation

Ocean Circulation

Waves and Tides

Coasts

Life in the Ocean

Uses and Abuses of the Ocean

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Exam 10: Marine Communities

What is the largest, and most sparsely populated, marine community? What are the feeding and breeding habits of organisms that live in this community?

A group of organisms of the same species that occupy a specific area is called a(n) .

Where is the greatest annual total oceanic primary productivity?

The symbiotic dinoflagellates that live in the tissues of coral polyps .

Organisms that spend only part of their life cycle as a member of the plankton community are called .

Why are harmful algal blooms, or HABs, so dangerous?

An individual coral animal is called a .

Which type of organism is responsible for harmful algal blooms, or HABs?

Which of these statements is FALSE concerning estuaries?

Nutrients in coral reefs are .

The coral reef community .

Which of the following categories includes manatees and dugongs?

The portion of the pelagic zone that is near the shore on the continental shelf is the .

The active swimmers of the pelagic realm are called the zooplankton.

Some of the very large species of animals in the ocean, namely whale sharks and baleen whales, feed on plankton. How can they support their large size eating microscopic organisms?

Autotrophic plankton are generally called .

Tube worms at seafloor vents get their energy by .

What do scientists think might form the "stepping stones" that would enable organisms to disperse from one seafloor vent to another?

Which of the following statements is FALSE concerning hydrothermal vents?

An Ocean World

Plate Tectonics

The Ocean Floor

Water and Ocean Structure

Atmospheric Circulation

Ocean Circulation

Waves and Tides

Coasts

Life in the Ocean

Uses and Abuses of the Ocean

Filters