Question 1

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 2

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

Question 3

Vent communities are as strange as a lost valley of prehistoric dinosaurs.

Accepted Answer

A) True 
 B)False

Question 4

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 5

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

Question 6

How much biomass in tropical coral reefs is attributed to the coral alone?

Accepted Answer

A)  15% 
B)  30% 
C)  50% 
D)  75% 
A)  15% 
B)  30% 
C)  50% 
D)  75%

Question 7

Communities are dependent on the availability of substrate.

Accepted Answer

A) True 
 B)False

Question 8

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

Accepted Answer

Answer should include:
•	Symbiotic relat

Question 9

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

Accepted Answer

A) True 
 B)False

Question 10

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 11

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 12

Many large intertidal plants must be slippery in addition to being strong and elastic to avoid being shredded by the intense wave energy of the intertidal.

Accepted Answer

A) True 
 B)False

Question 13

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

Accepted Answer

Answer should include:
•	Environmental r

Question 14

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

Accepted Answer

A) True 
 B)False

Question 15

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 16

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 17

What is the basis for life in the hydrothermal vent community?

Accepted Answer

A)  The heated waters surrounding the vents 
B)  Chemosynthetic organisms 
C)  Whale falls 
D)  The biological productivity of the water above 
A)  The heated waters surrounding the vents 
B)  Chemosynthetic organisms 
C)  Whale falls 
D)  The biological productivity of the water above

Question 18

What community has the highest biomass per unit of surface area?

Accepted Answer

A)  Rocky intertidal 
B)  Estuary 
C)  Sandy beach 
D)  Deep ocean 
A)  Rocky intertidal 
B)  Estuary 
C)  Sandy beach 
D)  Deep ocean

Question 19

What is the largest marine community?

Accepted Answer

A)  Intertidal community 
B)  Photic zone community 
C)  Between the photic zone and the deep bottom 
D)  Deep bottom communities 
A)  Intertidal community 
B)  Photic zone community 
C)  Between the photic zone and the deep bottom 
D)  Deep bottom communities

Question 20

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

Why do tropical coral reefs prefer high wave energy locations?

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

Vent communities are as strange as a lost valley of prehistoric dinosaurs.

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

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

How much biomass in tropical coral reefs is attributed to the coral alone?

Communities are dependent on the availability of substrate.

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

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

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

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

Many large intertidal plants must be slippery in addition to being strong and elastic to avoid being shredded by the intense wave energy of the intertidal.

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

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

What is a niche?

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

What is the basis for life in the hydrothermal vent community?

What community has the highest biomass per unit of surface area?

What is the largest marine community?

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

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

Why do tropical coral reefs prefer high wave energy locations?

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

Vent communities are as strange as a lost valley of prehistoric dinosaurs.

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

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

How much biomass in tropical coral reefs is attributed to the coral alone?

Communities are dependent on the availability of substrate.

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

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

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

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

Many large intertidal plants must be slippery in addition to being strong and elastic to avoid being shredded by the intense wave energy of the intertidal.

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

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

What is a niche?

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

What is the basis for life in the hydrothermal vent community?

What community has the highest biomass per unit of surface area?

What is the largest marine community?

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

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