Question 1

Marine communities evolve more rapidly than terrestrial communities.

Accepted Answer

A) True 
 B)False  False

Question 2

The variety of appearances and protective demonstrations associated with organisms on the coral reef is a testament to the intense struggles in the ecosystem.

Accepted Answer

A) True 
 B)False  True

Question 3

The most successful organisms in a community have the most surviving offspring.

Accepted Answer

A) True 
 B)False  True

Question 4

The conditions of the deep ocean ¾ the eternal darkness, the cold, hypersaline water, and the high pressure ¾ limits the extent of deep-ocean floor communities.

Accepted Answer

A) True 
 B)False

Question 5

More than half of the animal species, marine and terrestrial, are not considered to be free-living.

Accepted Answer

A) True 
 B)False

Question 6

What impact does environmental resistance have on a population? What kind of population distribution patterns occur in communities?

Accepted Answer

The answer of What impact does environmental resistance have on...

Question 7

What is thought to aid the proliferation and spread of hydrothermal vents?

Accepted Answer

A)  Seep communities 
B)  Climax communities 
C)  Whale falls 
D)  Succession 
A)  Seep communities 
B)  Climax communities 
C)  Whale falls 
D)  Succession

Question 8

What is environmental resistance?

Accepted Answer

A)  The decline in population growth 
B)  The effect of limiting factors on the environment 
C)  The maximum population growth in an environment 
D)  The movement of one population against another 
A)  The decline in population growth 
B)  The effect of limiting factors on the environment 
C)  The maximum population growth in an environment 
D)  The movement of one population against another

Question 9

Which distribution is the rarest found in communities?

Accepted Answer

A)  Random distribution 
B)  Uniform distribution 
C)  Clumped distribution 
D)  Normal distribution 
A)  Random distribution 
B)  Uniform distribution 
C)  Clumped distribution 
D)  Normal distribution

Question 10

What is the study of the balance between environmental factors and organisms in a community?

Accepted Answer

A)  Ecology 
B)  Biodiversity 
C)  Niche 
D)  Ecosystem 
A)  Ecology 
B)  Biodiversity 
C)  Niche 
D)  Ecosystem

Question 11

The carrying capacity is the number of individuals an environment can support.

Accepted Answer

A) True 
 B)False

Question 12

What is water called when it is a mixture of both freshwater and seawater?

Accepted Answer

A)  Estuarine water 
B)  Brackish water 
C)  Productive water 
D)  Semidiurnal water 
A)  Estuarine water 
B)  Brackish water 
C)  Productive water 
D)  Semidiurnal water

Question 13

What describes a fish species with a narrow tolerance of temperature changes?

Accepted Answer

A)  Stenohaline 
B)  Eurythermal 
C)  Stenothermal 
D)  Euryhaline 
A)  Stenohaline 
B)  Eurythermal 
C)  Stenothermal 
D)  Euryhaline

Question 14

Why do tropical coral reefs prefer high wave energy locations?

Accepted Answer

A)  They are hard enough to sustain themselves during the wave action. 
B)  They receive less sunlight in these areas. 
C)  They become the first to obtain dissolved gases and food particles. 
D)  They need high levels of sunlight. 
A)  They are hard enough to sustain themselves during the wave action. 
B)  They receive less sunlight in these areas. 
C)  They become the first to obtain dissolved gases and food particles. 
D)  They need high levels of sunlight.

Question 15

Communities are dependent on the availability of substrate.

Accepted Answer

A) True 
 B)False

Question 16

What are some of the adaptations exhibited by organisms living in estuaries? How do pelagic species use estuaries to their advantage?

Accepted Answer

The answer of What are some of the adaptations exhibited...

Question 17

What physical factors can the accumulation of coral and sediment change in the environment?

Accepted Answer

A)  Ocean temperature and current patterns 
B)  Availability of food 
C)  Salinity 
D)  Density 
A)  Ocean temperature and current patterns 
B)  Availability of food 
C)  Salinity 
D)  Density

Question 18

What is a niche?

Accepted Answer

A)  An organism's physical location in a community 
B)  The amount of different species in a community 
C)  An organism's occupation in a community 
D)  The number of populations in a community 
A)  An organism's physical location in a community 
B)  The amount of different species in a community 
C)  An organism's occupation in a community 
D)  The number of populations in a community

Question 19

What provides the raw material for large and complex food webs within an estuary?

Accepted Answer

A)  The ocean bringing in nutrients 
B)  Salt-tolerant plants producing carbohydrates 
C)  Salt-tolerant plants being decomposed 
D)  The river depositing nutrient-rich sediments 
A)  The ocean bringing in nutrients 
B)  Salt-tolerant plants producing carbohydrates 
C)  Salt-tolerant plants being decomposed 
D)  The river depositing nutrient-rich sediments

Question 20

Where is there no deep scattering layer present?

Accepted Answer

A)  Temperate oceans 
B)  Tropical oceans 
C)  Arctic oceans 
D)  All oceans have a deep scattering layer 
A)  Temperate oceans 
B)  Tropical oceans 
C)  Arctic oceans 
D)  All oceans have a deep scattering layer

Marine communities evolve more rapidly than terrestrial communities.

The variety of appearances and protective demonstrations associated with organisms on the coral reef is a testament to the intense struggles in the ecosystem.

The most successful organisms in a community have the most surviving offspring.

The conditions of the deep ocean ¾ the eternal darkness, the cold, hypersaline water, and the high pressure ¾ limits the extent of deep-ocean floor communities.

More than half of the animal species, marine and terrestrial, are not considered to be free-living.

What impact does environmental resistance have on a population? What kind of population distribution patterns occur in communities?

What is thought to aid the proliferation and spread of hydrothermal vents?

What is environmental resistance?

Which distribution is the rarest found in communities?

What is the study of the balance between environmental factors and organisms in a community?

The carrying capacity is the number of individuals an environment can support.

What is water called when it is a mixture of both freshwater and seawater?

What describes a fish species with a narrow tolerance of temperature changes?

Why do tropical coral reefs prefer high wave energy locations?

Communities are dependent on the availability of substrate.

What are some of the adaptations exhibited by organisms living in estuaries? How do pelagic species use estuaries to their advantage?

What physical factors can the accumulation of coral and sediment change in the environment?

What is a niche?

What provides the raw material for large and complex food webs within an estuary?

Where is there no deep scattering layer present?

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

Marine communities evolve more rapidly than terrestrial communities.

The variety of appearances and protective demonstrations associated with organisms on the coral reef is a testament to the intense struggles in the ecosystem.

The most successful organisms in a community have the most surviving offspring.

The conditions of the deep ocean ¾ the eternal darkness, the cold, hypersaline water, and the high pressure ¾ limits the extent of deep-ocean floor communities.

More than half of the animal species, marine and terrestrial, are not considered to be free-living.

What impact does environmental resistance have on a population? What kind of population distribution patterns occur in communities?

What is thought to aid the proliferation and spread of hydrothermal vents?

What is environmental resistance?

Which distribution is the rarest found in communities?

What is the study of the balance between environmental factors and organisms in a community?

The carrying capacity is the number of individuals an environment can support.

What is water called when it is a mixture of both freshwater and seawater?

What describes a fish species with a narrow tolerance of temperature changes?

Why do tropical coral reefs prefer high wave energy locations?

Communities are dependent on the availability of substrate.

What are some of the adaptations exhibited by organisms living in estuaries? How do pelagic species use estuaries to their advantage?

What physical factors can the accumulation of coral and sediment change in the environment?

What is a niche?

What provides the raw material for large and complex food webs within an estuary?

Where is there no deep scattering layer present?

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