Question 1

The open, sunlit surface area away from the shore is which zone?

Accepted Answer

A) benthic 
B) littoral 
C) bathyal 
D) limnetic 
E) profundal 
A) benthic 
B) littoral 
C) bathyal 
D) limnetic 
E) profundal

Question 2

Water in the floodplain zone usually has higher temperatures and less dissolved oxygen than that in the other zones.

Accepted Answer

A) True 
 B)False

Question 3

Coral reefs are being damaged or destroyed by all of the following except

Accepted Answer

A) pollution 
B) warmer ocean temperatures 
C) increasing ocean acidity 
D) coastal development 
E) underfishing 
A) pollution 
B) warmer ocean temperatures 
C) increasing ocean acidity 
D) coastal development 
E) underfishing

Question 4

A recent study indicates we need to take action quickly on reducing carbon dioxide emissions or the oceans may be too acidic and too warm to support coral reefs.

Accepted Answer

A) True 
 B)False

Question 5

The vertical zones of the open sea (euphotic, bathyal, and abyssal) are based primarily on ____________________.

Accepted Answer

penetratio

Question 6

All of the following are part of the freshwater aquatic life zones, except

Accepted Answer

A) lakes 
B) mangrove forests 
C) inland wetlands 
D) streams 
E) rivers 
A) lakes 
B) mangrove forests 
C) inland wetlands 
D) streams 
E) rivers

Question 7

____________________ lakes are typically shallow, have murky brown or green water, and have high turbidity.

Accepted Answer

The answer of ____________________ lakes are typically shallow, have murky...

Question 8

By 2050 more than 50% of all coral reefs could be gone.

Accepted Answer

A) True 
 B)False

Question 9

Some wetlands are covered with water all year; others remain under water or soggy for a short time each year and are called ____________________ wetlands.

Accepted Answer

The answer of Some wetlands are covered with water all...

Question 10

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

Accepted Answer

plankton ─ phyto (algae), zoo

Question 11

Although only a small percentage of the ocean floor, coral reefs provide all the following benefits except

Accepted Answer

A) providing significant free oxygen 
B) removing CO2 from the atmosphere 
C) protecting coastlines from erosion 
D) providing habitats for one-quarter of all marine organisms 
E) providing one-fourth of fish catches in developing countries 
A) providing significant free oxygen 
B) removing CO2 from the atmosphere 
C) protecting coastlines from erosion 
D) providing habitats for one-quarter of all marine organisms 
E) providing one-fourth of fish catches in developing countries

Question 12

The distribution of many aquatic organisms is determined largely by salinity.

Accepted Answer

A) True 
 B)False

Question 13

Only about 20 percent of all inland wetlands in Germany and France have been destroyed.

Accepted Answer

A) True 
 B)False

Question 14

Organisms in this area 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 15

Deep lakes with steep banks that have a small 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 16

The ____________________ is the largest of the four oceans, which contains more than ____________________ of the earth's water.

Accepted Answer

The answer of The ____________________ is the largest of the...

Question 17

Four of the following are major human activities that disrupt and degrade freshwater systems; one is not.Choose the one that is not.

Accepted Answer

A) Elimination of entire river systems. 
B) Dams and canals fragment habitats. 
C) Flood control levees and dikes disconnect rivers from floodplains. 
D) Cities and farms add excess nutrients and pollution. 
E) Draining inland wetlands to grow crops. 
A) Elimination of entire river systems. 
B) Dams and canals fragment habitats. 
C) Flood control levees and dikes disconnect rivers from floodplains. 
D) Cities and farms add excess nutrients and pollution. 
E) Draining inland wetlands to grow crops.

Question 18

Global sea levels have risen almost ____________________ meters since 1900 and are expected to rise another ____________________ meters before 2100.

Accepted Answer

The answer of Global sea levels have risen almost ____________________...

Question 19

The key factors determining the types and numbers of organisms found in the various layers of both freshwater and marine systems include all of the following, except

Accepted Answer

A) parasitism 
B) availability of nutrients 
C) temperature 
D) dissolved oxygen levels 
E) availability of food 
A) parasitism 
B) availability of nutrients 
C) temperature 
D) dissolved oxygen levels 
E) availability of food

Question 20

Chesapeake Bay is the largest estuary in the United States.

Accepted Answer

A) True 
 B)False

Exam 8: Aquatic Biodiversity

The open, sunlit surface area away from the shore is which zone?

Water in the floodplain zone usually has higher temperatures and less dissolved oxygen than that in the other zones.

Coral reefs are being damaged or destroyed by all of the following except

A recent study indicates we need to take action quickly on reducing carbon dioxide emissions or the oceans may be too acidic and too warm to support coral reefs.

The vertical zones of the open sea (euphotic, bathyal, and abyssal) are based primarily on ____________________.

All of the following are part of the freshwater aquatic life zones, except

____________________ lakes are typically shallow, have murky brown or green water, and have high turbidity.

By 2050 more than 50% of all coral reefs could be gone.

Some wetlands are covered with water all year; others remain under water or soggy for a short time each year and are called ____________________ wetlands.

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

Although only a small percentage of the ocean floor, coral reefs provide all the following benefits except

The distribution of many aquatic organisms is determined largely by salinity.

Only about 20 percent of all inland wetlands in Germany and France have been destroyed.

Organisms in this area 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.

Deep lakes with steep banks that have a small supply of plant nutrients are

The ____________________ is the largest of the four oceans, which contains more than ____________________ of the earth's water.

Four of the following are major human activities that disrupt and degrade freshwater systems; one is not.Choose the one that is not.

Global sea levels have risen almost ____________________ meters since 1900 and are expected to rise another ____________________ meters before 2100.

The key factors determining the types and numbers of organisms found in the various layers of both freshwater and marine systems include all of the following, except

Chesapeake Bay is the largest estuary in the United States.

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

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Solid and Hazardous Waste

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The is the largest of the four oceans, which contains more than of the earth's water.

Global sea levels have risen almost meters since 1900 and are expected to rise another meters before 2100.