Question 1

Use the figure above to answer the following question(s).
-Choose the zone of open water where photosynthesis can occur.

Accepted Answer

The answer of   Use the figure above to...

Question 2

Which of the following is not part of the coastal zone?

Accepted Answer

A)  estuaries 
B)  coastal wetlands 
C)  bathyal zone 
D)  intertidal zone 
E)  coral reefs 
A)  estuaries 
B)  coastal wetlands 
C)  bathyal zone 
D)  intertidal zone 
E)  coral reefs

Question 3

Use the figure above to answer the following question(s).
-Choose the zone that contains the majority of all marine species.

Accepted Answer

The answer of   Use the figure above to...

Question 4

In 2012,____ of the world's population lived along or near a coast.

Accepted Answer

A)  95% 
B)  82% 
C)  75% 
D)  66% 
E)  45% 
A)  95% 
B)  82% 
C)  75% 
D)  66% 
E)  45%

Question 5

Deep lakes with steep banks that have a short supply of plant nutrients are ____.

Accepted Answer

A)  oligotrophic lakes 
B)  eutrophic lakes 
C)  culturally eutrophic lakes 
D)  hypereutrophic lakes 
E)  mesotrophic lakes 
A)  oligotrophic lakes 
B)  eutrophic lakes 
C)  culturally eutrophic lakes 
D)  hypereutrophic lakes 
E)  mesotrophic lakes

Question 6

A lake is a(n)____________________ body of freshwater,which also includes ponds and inland wetlands.

Accepted Answer

The answer of A lake is a(n)____________________ body of freshwater,which...

Question 7

Forty percent of the world's photosynthetic activity is conducted in the euphotic zone of the oceans.

Accepted Answer

A) True 
 B)False

Question 8

Four of the following are ecological and economic services provided by inland wetlands;one is not.Choose the one that is not.

Accepted Answer

A)  filtering and degrading toxic wastes and pollutants 
B)  stopping the recharge of groundwater aquifers 
C)  reducing flooding and erosion caused by storms 
D)  helping to sustain stream flow during dry periods 
E)  helping to maintain biodiversity by providing habitat 
A)  filtering and degrading toxic wastes and pollutants 
B)  stopping the recharge of groundwater aquifers 
C)  reducing flooding and erosion caused by storms 
D)  helping to sustain stream flow during dry periods 
E)  helping to maintain biodiversity by providing habitat

Question 9

Organisms in ____ must be able to avoid being swept away,crushed by waves,or being left high and dry at low tides,and must survive daily or seasonal salinity and temperature changes.

Accepted Answer

A)  estuaries 
B)  coastal wetlands 
C)  bathyal zone 
D)  intertidal zone 
E)  coral reefs 
A)  estuaries 
B)  coastal wetlands 
C)  bathyal zone 
D)  intertidal zone 
E)  coral reefs

Question 10

A watershed is the land area that delivers runoff,sediment,and dissolved substances to a stream.

Accepted Answer

A) True 
 B)False

Question 11

About 80% of lost wetlands in the U.S.have been drained to ____________________.

Accepted Answer

The answer of About 80% of lost wetlands in the...

Question 12

Briefly explain the major types of organisms in aquatic life zones,giving an example of each.

Accepted Answer

plankton - phyto (algae),zoo (

Question 13

By 2050,it is estimated that more than 50% of all coral reefs will be lost.

Accepted Answer

A) True 
 B)False

Question 14

The majority of the wetlands that have been lost since the 1600s have been lost to development of cities.

Accepted Answer

A) True 
 B)False

Question 15

Use the figure above to answer the following question(s).
-Choose the zone containing mountain headwater streams.

Accepted Answer

The answer of  
Use the figure above to answer...

Question 16

Humans have built dams and levees on many of the world's rivers to control water flows.These structures ____.

Accepted Answer

A)  cause major river deltas to sink 
B)  prevent flooding in areas downstream of the structure 
C)  increase wetland habitat 
D)  increase floodplain area 
E)  improve habitat for wetland species 
A)  cause major river deltas to sink 
B)  prevent flooding in areas downstream of the structure 
C)  increase wetland habitat 
D)  increase floodplain area 
E)  improve habitat for wetland species

Question 17

Between 1980 and 2005,researchers estimated more than ____ of the world's mangrove forests were destroyed by human activities.

Accepted Answer

A)  one-fourth 
B)  one-fifth 
C)  one-half 
D)  two-thirds 
E)  three-fourths 
A)  one-fourth 
B)  one-fifth 
C)  one-half 
D)  two-thirds 
E)  three-fourths

Question 18

Use the figure above to answer the following question(s).
-Choose the deepest zone that receives enough sunlight for photosynthesis.

Accepted Answer

The answer of   Use the figure above to...

Question 19

Wide,slow-moving rivers containing lots of particulate matter (silt)would be typical of what aquatic life zone?

Accepted Answer

A)  source zone 
B)  benthic zone 
C)  transition zone 
D)  floodplain zone 
E)  profundal zone 
A)  source zone 
B)  benthic zone 
C)  transition zone 
D)  floodplain zone 
E)  profundal zone

Question 20

Oysters in Chesapeake Bay were once so abundant that they filtered and cleaned the water of the entire Bay every three days.

Accepted Answer

A) True 
 B)False

Exam 8: Aquatic Biodiversity

Use the figure above to answer the following question(s). -Choose the zone of open water where photosynthesis can occur.

Which of the following is not part of the coastal zone?

Use the figure above to answer the following question(s). -Choose the zone that contains the majority of all marine species.

In 2012,____ of the world's population lived along or near a coast.

Deep lakes with steep banks that have a short supply of plant nutrients are ____.

A lake is a(n)____________________ body of freshwater,which also includes ponds and inland wetlands.

Forty percent of the world's photosynthetic activity is conducted in the euphotic zone of the oceans.

Four of the following are ecological and economic services provided by inland wetlands;one is not.Choose the one that is not.

Organisms in ____ must be able to avoid being swept away,crushed by waves,or being left high and dry at low tides,and must survive daily or seasonal salinity and temperature changes.

A watershed is the land area that delivers runoff,sediment,and dissolved substances to a stream.

About 80% of lost wetlands in the U.S.have been drained to ____________________.

Briefly explain the major types of organisms in aquatic life zones,giving an example of each.

By 2050,it is estimated that more than 50% of all coral reefs will be lost.

The majority of the wetlands that have been lost since the 1600s have been lost to development of cities.

Use the figure above to answer the following question(s). -Choose the zone containing mountain headwater streams.

Humans have built dams and levees on many of the world's rivers to control water flows.These structures ____.

Between 1980 and 2005,researchers estimated more than ____ of the world's mangrove forests were destroyed by human activities.

Use the figure above to answer the following question(s). -Choose the deepest zone that receives enough sunlight for photosynthesis.

Wide,slow-moving rivers containing lots of particulate matter (silt)would be typical of what aquatic life zone?

Oysters in Chesapeake Bay were once so abundant that they filtered and cleaned the water of the entire Bay every three days.

Environmental Problems, their Causes, and Sustainability

Science, matter, energy, and Systems

Ecosystems: What Are They and How Do They Work

Biodiversity and Evolution

Biodiversity, species Interactions, and Population Control

The Human Population and Its Impact

Climate and Biodiversity

Sustaining Biodiversity: The Species Approach

Sustaining Terrestrial Biodiversity: The Ecosystem Approach

Sustaining Aquatic Biodiversity

Food, soil, and Pest Management

Water Resources

Geology and Nonrenewable Mineral Resources

Nonrenewable Energy

Energy Efficiency and Renewable Energy

Environmental Hazards and Human Health

Air Pollution

Climate Disruption and Ozone Depletion

Water Pollution

Solid and Hazardous Waste

Cities and Sustainability

Economics, environment, and Sustainability

Politics, environment, and Sustainability

Environmental Worldviews, ethics, and Sustainability

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