Question 1

Global sea levels have risen almost ____________________ meters since 1900.

Accepted Answer

0.3.3

Question 2

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 B

Question 3

What is the coastal marine ecosystem consisting of at least 60 species of plants that grow underwater in shallow marine and estuarine areas along most continental coastlines?

Accepted Answer

A)  salt marshes
B)  sea grass beds
C)  intertidal zones
D)  mangrove forests
E)  coral reefs B

Question 4

The distribution of many aquatic organisms is determined largely by the water's ____________________.

Accepted Answer

The answer of The distribution of many aquatic organisms is...

Question 5

By following the principles of sustainability, we could cut CO2 emissions and reduce ocean ____.

Accepted Answer

A)  acidification
B)  pollution
C)  overfishing
D)  cooling
E)  algal blooms

Question 6

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

Question 7

Downhill Flow of Water Use the figure above to answer the following question(s). Choose the zone containing mountain headwater streams.

Accepted Answer

The answer of  Downhill Flow of Water Use the...

Question 8

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

Question 9

Funneling Mississippi River sediments through the wetlands and into the Gulf of Mexico, instead of into the Mississippi Delta, has caused the Delta to rise.

Accepted Answer

A) True 
 B)False

Question 10

In deep aquatic systems, the photosynthetic zone is called the ____________________ zone.

Accepted Answer

The answer of In deep aquatic systems, the photosynthetic zone...

Question 11

In large lakes, there are four distinct zones. Which of the following is not one of those zones?

Accepted Answer

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

Question 12

Since the 1950s, _____________ of the world's shallow coral reefs have been destroyed.

Accepted Answer

A)  75%
B)  50%
C)  35%
D)  22%
E)  10%

Question 13

The ocean zone that covers the continental shelf is the ____.

Accepted Answer

A)  bathyal zone
B)  coastal zone
C)  littoral zone
D)  benthic zone
E)  abyssal zone

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

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

Accepted Answer

The answer of Briefly explain the major types of organisms...

Question 16

The single ocean on the earth is divided into four parts by the continents. Which of the following is not one of those parts?

Accepted Answer

A)  Atlantic
B)  Arctic
C)  Baltic
D)  Indian
E)  Pacific

Question 17

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

Accepted Answer

A) True 
 B)False

Question 18

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,...

Question 19

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

Question 20

The dimly lit zone in which zooplankton and smaller fishes predominate is the ____.

Accepted Answer

A)  abyssal zone
B)  euphotic zone
C)  estuary zone
D)  bathyal zone
E)  benthic zone

Exam 8: Aquatic Biodiversity

Global sea levels have risen almost ____________________ meters since 1900.

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

What is the coastal marine ecosystem consisting of at least 60 species of plants that grow underwater in shallow marine and estuarine areas along most continental coastlines?

The distribution of many aquatic organisms is determined largely by the water's ____________________.

By following the principles of sustainability, we could cut CO₂ emissions and reduce ocean ____.

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.

Downhill Flow of Water Use the figure above to answer the following question(s). Choose the zone containing mountain headwater streams.

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

Funneling Mississippi River sediments through the wetlands and into the Gulf of Mexico, instead of into the Mississippi Delta, has caused the Delta to rise.

In deep aquatic systems, the photosynthetic zone is called the ____________________ zone.

In large lakes, there are four distinct zones. Which of the following is not one of those zones?

Since the 1950s, _____________ of the world's shallow coral reefs have been destroyed.

The ocean zone that covers the continental shelf is the ____.

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

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

The single ocean on the earth is divided into four parts by the continents. Which of the following is not one of those parts?

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

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

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

The dimly lit zone in which zooplankton and smaller fishes predominate is the ____.