Question 1

Oysters in Chesapeake Bay were once so abundant that they filtered and cleaned the water of the entire Bay every 3 days.

Accepted Answer

A) True 
 B)False

Question 2

How much of the world's ocean area has been heavily affected by human activity?

Accepted Answer

A) 11% 
B) 21% 
C) 31% 
D) 41% 
E) 51% 
A) 11% 
B) 21% 
C) 31% 
D) 41% 
E) 51%

Question 3

Researchers have estimated more than ____ of the world's mangrove forests have been 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 4

Which of the following would be characteristic of the profundal zone?

Accepted Answer

A) rooted plants 
B) low oxygen levels 
C) nourished by dead matter 
D) main photosynthetic layer 
E) turtles, frogs, crayfish, perch 
A) rooted plants 
B) low oxygen levels 
C) nourished by dead matter 
D) main photosynthetic layer 
E) turtles, frogs, crayfish, perch

Question 5

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...

Question 6

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 replenish stream flow during dry periods 
E) helping to maintain biodiversity by providing habitats 
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 replenish stream flow during dry periods 
E) helping to maintain biodiversity by providing habitats

Question 7

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

Question 8

If you fish for trout, you would be most likely to seek out which part of a stream?

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 9

Coral reefs form in clear, warm coastal waters of the _______________ and _______________.

Accepted Answer

tropics; s

Question 10

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...

Question 11

Compare and contrast estuaries and intertidal pools in terms of biodiversity.

Accepted Answer

Estuaries and coastal wetlands have a wi

Question 12

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 13

In certain open sea areas winds, ocean currents, and other factors cause water to come up from the depths to the surface bringing nutrient from the ocean bottom.This process is called a(n)

Accepted Answer

A) downdraft 
B) updraft 
C) El Niño 
D) La Niña 
E) upwelling 
A) downdraft 
B) updraft 
C) El Niño 
D) La Niña 
E) upwelling

Question 14

On a fishing boat, someone catches a swordfish.As a biologist, you would consider this organism a type of

Accepted Answer

A) phytoplankton 
B) zooplankton 
C) nekton 
D) benthos 
E) decomposer 
A) phytoplankton 
B) zooplankton 
C) nekton 
D) benthos 
E) decomposer

Question 15

In a 2008 study, researchers estimated what percentage of the world's coral reefs had already been destroyed?

Accepted Answer

A) 50 
B) 35 
C) 22 
D) 19 
E) 10 
A) 50 
B) 35 
C) 22 
D) 19 
E) 10

Question 16

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 17

Use the Figure above to answer the following question(s).
-Choose the zone that is divided based on sunlight.

Accepted Answer

The answer of   
 
Use the Figure above...

Question 18

The amount of goods and services provided by marine coastal ecosystems is nearly equal to the annual U.S.gross domestic product (GDP).

Accepted Answer

A) True 
 B)False

Question 19

Coral bleaching occurs when algae, the food of the corals, die off because of stresses such as increased ocean temperatures.

Accepted Answer

A) True 
 B)False

Question 20

The population living in the Chesapeake Bay area, between 1940 and 2007, grew from 1.5 million to 3.7 million and may reach 5 million by 2020.

Accepted Answer

A) True 
 B)False

Exam 8: Aquatic Biodiversity

Oysters in Chesapeake Bay were once so abundant that they filtered and cleaned the water of the entire Bay every 3 days.

How much of the world's ocean area has been heavily affected by human activity?

Researchers have estimated more than ____ of the world's mangrove forests have been destroyed by human activities.

Which of the following would be characteristic of the profundal zone?

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

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

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

If you fish for trout, you would be most likely to seek out which part of a stream?

Coral reefs form in clear, warm coastal waters of the _______________ and _______________.

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

Compare and contrast estuaries and intertidal pools in terms of biodiversity.

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

In certain open sea areas winds, ocean currents, and other factors cause water to come up from the depths to the surface bringing nutrient from the ocean bottom.This process is called a(n)

On a fishing boat, someone catches a swordfish.As a biologist, you would consider this organism a type of

In a 2008 study, researchers estimated what percentage of the world's coral reefs had already been destroyed?

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

Use the Figure above to answer the following question(s). -Choose the zone that is divided based on sunlight.

The amount of goods and services provided by marine coastal ecosystems is nearly equal to the annual U.S.gross domestic product (GDP).

Coral bleaching occurs when algae, the food of the corals, die off because of stresses such as increased ocean temperatures.

The population living in the Chesapeake Bay area, between 1940 and 2007, grew from 1.5 million to 3.7 million and may reach 5 million by 2020.

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

Filters

Coral reefs form in clear, warm coastal waters of the _ and _.