Question 1

What is the name for the pelagic community that lives in the upper limits of the permanent darkness in the deep ocean?

Accepted Answer

A)  Climax community 
B)  Rift community 
C)  Deep scattering layer 
D)  Benthic community 
A)  Climax community 
B)  Rift community 
C)  Deep scattering layer 
D)  Benthic community

Question 2

Deep scattering layers are best developed in regions with high surface activity.

Accepted Answer

A) True 
 B)False

Question 3

If an environment is changed by disruption, a different climax community always establishes.

Accepted Answer

A) True 
 B)False

Question 4

What is a hardship for small organisms that are associated with living on a sandy beach?

Accepted Answer

A)  Sand has sharp, jagged edges. 
B)  Capillary forces can pin organisms down within the sand. 
C)  Organisms have a hard time finding a firm footing when burrowing. 
D)  All of these choices 
A)  Sand has sharp, jagged edges. 
B)  Capillary forces can pin organisms down within the sand. 
C)  Organisms have a hard time finding a firm footing when burrowing. 
D)  All of these choices

Question 5

Biodiversity is the role of species in a given area.

Accepted Answer

A) True 
 B)False

Question 6

What determines the number and composition of the populations in a community?

Accepted Answer

A)  Food 
B)  Light 
C)  Space 
D)  All of these choices 
A)  Food 
B)  Light 
C)  Space 
D)  All of these choices

Question 7

What is a climax community?

Accepted Answer

A)  The first community after a large disruption 
B)  A new, growing community 
C)  A stable, long-established community 
D)  The decline of a community after it peaks 
A)  The first community after a large disruption 
B)  A new, growing community 
C)  A stable, long-established community 
D)  The decline of a community after it peaks

Question 8

If an animal is tightly attached to the rocks during intense wave activity, it is said to be:

Accepted Answer

A)  sessile. 
B)  motile. 
C)  desiccated. 
D)  benthic 
A)  sessile. 
B)  motile. 
C)  desiccated. 
D)  benthic

Question 9

What are the types of symbiotic relationships that organisms exhibit? Give examples of each.

Accepted Answer

The answer of What are the types of symbiotic relationships...

Question 10

Why was the feeding strategy of Riftia worms such a mystery to scientists when they were first discovered?

Accepted Answer

A)  These worms have no mouth. 
B)  These worms have no digestive tract. 
C)  These worms have no anus. 
D)  All of these choices 
A)  These worms have no mouth. 
B)  These worms have no digestive tract. 
C)  These worms have no anus. 
D)  All of these choices

What is the name for the pelagic community that lives in the upper limits of the permanent darkness in the deep ocean?

Deep scattering layers are best developed in regions with high surface activity.

If an environment is changed by disruption, a different climax community always establishes.

What is a hardship for small organisms that are associated with living on a sandy beach?

Biodiversity is the role of species in a given area.

What determines the number and composition of the populations in a community?

What is a climax community?

If an animal is tightly attached to the rocks during intense wave activity, it is said to be:

What are the types of symbiotic relationships that organisms exhibit? Give examples of each.

Why was the feeding strategy of Riftia worms such a mystery to scientists when they were first discovered?

The Origin of the Ocean

A History of Marine Science

Earth Structure and Plate Tectonics

Ocean Basins

Ocean Sediments

Water and Ocean Structure

Ocean Chemistry

Circulation of the Atmosphere

Circulation of the Ocean

Waves

Tides

Coasts

Life in the Ocean

Plankton, Algae, and Plants

Marine Animals

Marine Resources

The Ocean and the Environment

Filters

Exam 16: Marine Communities

What is the name for the pelagic community that lives in the upper limits of the permanent darkness in the deep ocean?

Deep scattering layers are best developed in regions with high surface activity.

If an environment is changed by disruption, a different climax community always establishes.

What is a hardship for small organisms that are associated with living on a sandy beach?

Biodiversity is the role of species in a given area.

What determines the number and composition of the populations in a community?

What is a climax community?

If an animal is tightly attached to the rocks during intense wave activity, it is said to be:

What are the types of symbiotic relationships that organisms exhibit? Give examples of each.

Why was the feeding strategy of Riftia worms such a mystery to scientists when they were first discovered?

The Origin of the Ocean

A History of Marine Science

Earth Structure and Plate Tectonics

Ocean Basins

Ocean Sediments

Water and Ocean Structure

Ocean Chemistry

Circulation of the Atmosphere

Circulation of the Ocean

Waves

Tides

Coasts

Life in the Ocean

Plankton, Algae, and Plants

Marine Animals

Marine Resources

The Ocean and the Environment

Filters