Question 1

What is not one of the ecosystem services of rivers?

Accepted Answer

A) deliver nutrient to seas to help sustain fisheries 
B) purify water 
C) renew and renourish wetlands 
D) remove silt that accumulates in deltas 
E) provide habitats for wildlife 
A) deliver nutrient to seas to help sustain fisheries 
B) purify water 
C) renew and renourish wetlands 
D) remove silt that accumulates in deltas 
E) provide habitats for wildlife D

Question 2

What species is one of the biggest threats to the Great Lakes?

Accepted Answer

A) sea lamprey 
B) cod 
C) jellyfish 
D) wild salmon 
E) cutthroat trout 
A) sea lamprey 
B) cod 
C) jellyfish 
D) wild salmon 
E) cutthroat trout A

Question 3

Sea-bottom habitats are being threatened by ____.

Accepted Answer

A) the largest predator fish in the sea 
B) little human activity because they are inaccessible 
C) dredging operations and trawlers 
D) coastal development 
E) shrimp farming 
A) the largest predator fish in the sea 
B) little human activity because they are inaccessible 
C) dredging operations and trawlers 
D) coastal development 
E) shrimp farming C

Question 4

Invasive species are blamed for about ____________________ of fish extinctions in the United States since 1900.

Accepted Answer

two-thirds

Question 5

Marine Protected Areas are the only areas in the ocean where fish are totally protected from human activities.

Accepted Answer

A) True 
 B)False

Question 6

We have limited knowledge about marine biodiversity and its many functions.

Accepted Answer

A) True 
 B)False

Question 7

In 2010, the UN indicated that what percentage of the world's people are living along or near the ocean, mostly in large coastal cities?

Accepted Answer

A) 80% 
B) 60% 
C) 50% 
D) 40% 
E) 20% 
A) 80% 
B) 60% 
C) 50% 
D) 40% 
E) 20%

Question 8

There are seven species of sea turtles. All are in danger of becoming extinct, mostly due to ____.

Accepted Answer

A) female sea turtles not laying large enough clutches of eggs 
B) lower sea levels in the past 100 years 
C) human activities that occurred over 100 years ago 
D) human impacts on their environment taking place during the last 100 years 
E) impacts from giant asteroids 
A) female sea turtles not laying large enough clutches of eggs 
B) lower sea levels in the past 100 years 
C) human activities that occurred over 100 years ago 
D) human impacts on their environment taking place during the last 100 years 
E) impacts from giant asteroids

Question 9

One result of the increasingly efficient global hunt for fish is that larger individuals of commercially valuable wild species are ____.

Accepted Answer

A) becoming scarce 
B) becoming more prevalent 
C) becoming smaller in size 
D) feeding on new food sources 
E) migrating to new ocean areas 
A) becoming scarce 
B) becoming more prevalent 
C) becoming smaller in size 
D) feeding on new food sources 
E) migrating to new ocean areas

Question 10

Use the figure above to answer the question(s)below. What is purse-seine fishing, what types of fish does it target, and which letter depicts it on the figure?

Accepted Answer

Purse-seining is used to catch surface-d

Question 11

Discuss how projected climate change is expected to influence marine ecosystems.

Accepted Answer

Climate change is expected to influence

Question 12

What is drift-net fishing and which letter depicts it on the figure?

Accepted Answer

With drift-net fishing, fish are caught

Question 13

Sylvia Earle is leading a campaign called Mission Blue to finance research and to ignite public support for a global network of marine protected areas, which she dubs ____.

Accepted Answer

A) oceanic protected areas (OPAs) 
B) hotspots 
C) hope spots 
D) underwater wilderness 
E) megareserves 
A) oceanic protected areas (OPAs) 
B) hotspots 
C) hope spots 
D) underwater wilderness 
E) megareserves

Question 14

Which U.S. state is leading the way in establishing marine protected areas where fishing will be banned or strictly limited?

Accepted Answer

A) Washington 
B) Oregon 
C) California 
D) Florida 
E) Texas 
A) Washington 
B) Oregon 
C) California 
D) Florida 
E) Texas

Question 15

Projected climate change threatens aquatic biodiversity and ecosystem services, partly by contributing to ____.

Accepted Answer

A) an increase in carbon storage in oceans 
B) spread of tropical diseases 
C) decreased salinity of water 
D) rising sea levels 
E) UV radiation from ozone depletion 
A) an increase in carbon storage in oceans 
B) spread of tropical diseases 
C) decreased salinity of water 
D) rising sea levels 
E) UV radiation from ozone depletion

Question 16

A concentration of a particular wild aquatic species suitable for commercial harvesting in a given ocean area or inland body of water is called a ____.

Accepted Answer

A) fish farm 
B) fish habitat 
C) fish hatchery 
D) fishery 
E) fish bloom 
A) fish farm 
B) fish habitat 
C) fish hatchery 
D) fishery 
E) fish bloom

Question 17

Define bycatch and ghost nets.

Accepted Answer

Bycatch species are considered fish, mar

Question 18

When it appears that it is no longer profitable to continue fishing as a result of overfishing, the fish populations are said to be ____.

Accepted Answer

A) locally extinct 
B) commercially extinct 
C) economically extinct 
D) biologically extinct 
E) ecologically extinct 
A) locally extinct 
B) commercially extinct 
C) economically extinct 
D) biologically extinct 
E) ecologically extinct

Question 19

Scientists are now cataloging species in the deepest part of the ocean by using ____.

Accepted Answer

A) man driven deep-sea vehicles 
B) remotely operated deep-sea vehicles 
C) global satellite positioning equipment 
D) sonar fish-finding devices 
E) spotter planes 
A) man driven deep-sea vehicles 
B) remotely operated deep-sea vehicles 
C) global satellite positioning equipment 
D) sonar fish-finding devices 
E) spotter planes

Question 20

In 1947, the U.S. government established the Everglades National Park to help preserve the wilderness of this system. Why didn't this protection effort work?

Accepted Answer

A) Much of the original Everglades was paved over. 
B) Populations of native vertebrates left the Everglades, causing the food web to collapse. 
C) Human population increased in areas surrounding the Everglades. 
D) Tourism damaged the natural ecosystem. 
E) Massive water distribution and land development north of the Everglades. 
A) Much of the original Everglades was paved over. 
B) Populations of native vertebrates left the Everglades, causing the food web to collapse. 
C) Human population increased in areas surrounding the Everglades. 
D) Tourism damaged the natural ecosystem. 
E) Massive water distribution and land development north of the Everglades.

What is not one of the ecosystem services of rivers?

What species is one of the biggest threats to the Great Lakes?

Sea-bottom habitats are being threatened by ____.

Invasive species are blamed for about ____________________ of fish extinctions in the United States since 1900.

Marine Protected Areas are the only areas in the ocean where fish are totally protected from human activities.

We have limited knowledge about marine biodiversity and its many functions.

In 2010, the UN indicated that what percentage of the world's people are living along or near the ocean, mostly in large coastal cities?

There are seven species of sea turtles. All are in danger of becoming extinct, mostly due to ____.

One result of the increasingly efficient global hunt for fish is that larger individuals of commercially valuable wild species are ____.

Use the figure above to answer the question(s)below. What is purse-seine fishing, what types of fish does it target, and which letter depicts it on the figure?

Discuss how projected climate change is expected to influence marine ecosystems.

What is drift-net fishing and which letter depicts it on the figure?

Sylvia Earle is leading a campaign called Mission Blue to finance research and to ignite public support for a global network of marine protected areas, which she dubs ____.

Which U.S. state is leading the way in establishing marine protected areas where fishing will be banned or strictly limited?

Projected climate change threatens aquatic biodiversity and ecosystem services, partly by contributing to ____.

A concentration of a particular wild aquatic species suitable for commercial harvesting in a given ocean area or inland body of water is called a ____.

Define bycatch and ghost nets.

When it appears that it is no longer profitable to continue fishing as a result of overfishing, the fish populations are said to be ____.

Scientists are now cataloging species in the deepest part of the ocean by using ____.

In 1947, the U.S. government established the Everglades National Park to help preserve the wilderness of this system. Why didn't this protection effort work?

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

Aquatic Biodiversity

Sustaining Biodiversity: The Species Approach

Sustaining Terrestrial Biodiversity: The Ecosystem Approach

Filters

Exam 11: Sustaining Aquatic Biodiversity

What is not one of the ecosystem services of rivers?

What species is one of the biggest threats to the Great Lakes?

Sea-bottom habitats are being threatened by ____.

Invasive species are blamed for about ____________________ of fish extinctions in the United States since 1900.

Marine Protected Areas are the only areas in the ocean where fish are totally protected from human activities.

We have limited knowledge about marine biodiversity and its many functions.

In 2010, the UN indicated that what percentage of the world's people are living along or near the ocean, mostly in large coastal cities?

There are seven species of sea turtles. All are in danger of becoming extinct, mostly due to ____.

One result of the increasingly efficient global hunt for fish is that larger individuals of commercially valuable wild species are ____.

Use the figure above to answer the question(s)below. What is purse-seine fishing, what types of fish does it target, and which letter depicts it on the figure?

Discuss how projected climate change is expected to influence marine ecosystems.

What is drift-net fishing and which letter depicts it on the figure?

Sylvia Earle is leading a campaign called Mission Blue to finance research and to ignite public support for a global network of marine protected areas, which she dubs ____.

Which U.S. state is leading the way in establishing marine protected areas where fishing will be banned or strictly limited?

Projected climate change threatens aquatic biodiversity and ecosystem services, partly by contributing to ____.

A concentration of a particular wild aquatic species suitable for commercial harvesting in a given ocean area or inland body of water is called a ____.

Define bycatch and ghost nets.

When it appears that it is no longer profitable to continue fishing as a result of overfishing, the fish populations are said to be ____.

Scientists are now cataloging species in the deepest part of the ocean by using ____.

In 1947, the U.S. government established the Everglades National Park to help preserve the wilderness of this system. Why didn't this protection effort work?

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

Aquatic Biodiversity

Sustaining Biodiversity: The Species Approach

Sustaining Terrestrial Biodiversity: The Ecosystem Approach

Filters