Question 1

Use the following graph to answer the question.
 
-Temperate forest biomes would fall in the area marked by the letter

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  E 
A)  A 
B)  B 
C)  C 
D)  D 
E)  E B

Question 2

In contrast with the ______________, the soil of the ______________ is more nutrient-rich and this type of biome has fewer insects, parasites, and fungal diseases. Therefore, in many places, these areas are highly endangered.

Accepted Answer

A)  temperate grasslands; tropical seasonal forest 
B)  tropical rainforest; tropical seasonal forest 
C)  tundra; boreal forests 
D)  tropical seasonal forest; tropical rainforest 
E)  boreal forests; tundra 
A)  temperate grasslands; tropical seasonal forest 
B)  tropical rainforest; tropical seasonal forest 
C)  tundra; boreal forests 
D)  tropical seasonal forest; tropical rainforest 
E)  boreal forests; tundra B

Question 3

What biome is characterized by moderate temperatures and abundant precipitation?

Accepted Answer

A)  chaparral 
B)  tropical rainforest 
C)  temperate rainforest 
D)  taiga 
E)  No biome has moderate temperatures and abundant precipitation. 
A)  chaparral 
B)  tropical rainforest 
C)  temperate rainforest 
D)  taiga 
E)  No biome has moderate temperatures and abundant precipitation. C

Question 4

Which of the following statements about trade in endangered species is false?

Accepted Answer

A)  The principal importers of endangered species are developed countries. 
B)  Overharvesting affects animals more than plants. 
C)  People who say they are animal lovers are the main contributors to the trade. 
D)  The principal exporters of endangered species are developing countries. 
E)  Endangered species are listed globally by the IUCN. 
A)  The principal importers of endangered species are developed countries. 
B)  Overharvesting affects animals more than plants. 
C)  People who say they are animal lovers are the main contributors to the trade. 
D)  The principal exporters of endangered species are developing countries. 
E)  Endangered species are listed globally by the IUCN.

Question 5

Approximately how many species have been identified on Earth?

Accepted Answer

A)  about 500,000 
B)  a little less than 1 million 
C)  about 1.7 million 
D)  a little more than 10 million 
E)  about 30 million 
A)  about 500,000 
B)  a little less than 1 million 
C)  about 1.7 million 
D)  a little more than 10 million 
E)  about 30 million

Question 6

The total number of living species is probably

Accepted Answer

A)  about 450,000. 
B)  between 500,000 and 1 million. 
C)  between 3 million and 50 million. 
D)  between 75 and 95 million. 
E)  at least 300 million. 
A)  about 450,000. 
B)  between 500,000 and 1 million. 
C)  between 3 million and 50 million. 
D)  between 75 and 95 million. 
E)  at least 300 million.

Question 7

In terms of species diversity and complexity, a coral reef would be similar to which terrestrial biome?

Accepted Answer

A)  Savannah 
B)  Arctic tundra 
C)  Tropical rainforest 
D)  Chaparral 
A)  Savannah 
B)  Arctic tundra 
C)  Tropical rainforest 
D)  Chaparral

Question 8

The base of the marine food web is

Accepted Answer

A)  phytoplankton. 
B)  sharks. 
C)  sea stars. 
D)  coral reef organisms. 
A)  phytoplankton. 
B)  sharks. 
C)  sea stars. 
D)  coral reef organisms.

Question 9

We are usually referring to species diversity when we talk about biodiversity. However, genetic diversity is also important to ecological systems because diverse genes

Accepted Answer

A)  increase the efficiency and productivity of a system because all niches are filled. 
B)  allow an individual organism to adapt to its changing environment. 
C)  are necessary for a population to evolve in a changing environment. 
D)  lead to diverse ecological processes in a biological community. 
E)  are important for a balanced ecosystem. 
A)  increase the efficiency and productivity of a system because all niches are filled. 
B)  allow an individual organism to adapt to its changing environment. 
C)  are necessary for a population to evolve in a changing environment. 
D)  lead to diverse ecological processes in a biological community. 
E)  are important for a balanced ecosystem.

Question 10

Species diversity is most concentrated in

Accepted Answer

A)  North America and Europe. 
B)  South America, Africa, and Southeast Asia. 
C)  South Africa, Australia, and Europe. 
D)  Oceania, East Asia, and Antarctica. 
E)  North America, South America, and Africa 
A)  North America and Europe. 
B)  South America, Africa, and Southeast Asia. 
C)  South Africa, Australia, and Europe. 
D)  Oceania, East Asia, and Antarctica. 
E)  North America, South America, and Africa

Question 11

The giant panda is considered to be a _________________ species.

Accepted Answer

A)  keystone 
B)  umbrella 
C)  flagship 
D)  indicator 
E)  principal 
A)  keystone 
B)  umbrella 
C)  flagship 
D)  indicator 
E)  principal

Question 12

The main reason for the current high rate of animal extinctions is

Accepted Answer

A)  uncontrolled sport hunting in the developed world. 
B)  commercial harvesting of wildlife in Africa. 
C)  drought conditions caused by the greenhouse effect. 
D)  habitat destruction worldwide. 
E)  None of these by themselves cause high rates of animal extinctions, but together they combine to cause high rates. 
A)  uncontrolled sport hunting in the developed world. 
B)  commercial harvesting of wildlife in Africa. 
C)  drought conditions caused by the greenhouse effect. 
D)  habitat destruction worldwide. 
E)  None of these by themselves cause high rates of animal extinctions, but together they combine to cause high rates.

Question 13

Zebra mussels are a mussel species from Japan that was introduced without negative consequences into the United States to improve water quality.

Accepted Answer

A) True 
 B)False

Question 14

Humid tropical forests have extraordinary biological diversity

Accepted Answer

A)  because of the very fertile tropical soils. 
B)  because rainfall dissolves soil nutrients and makes them available to plants. 
C)  because water is not a limiting factor. 
D)  despite a complete absence of nutrients in the environment. 
E)  despite the poor, weathered soils. 
A)  because of the very fertile tropical soils. 
B)  because rainfall dissolves soil nutrients and makes them available to plants. 
C)  because water is not a limiting factor. 
D)  despite a complete absence of nutrients in the environment. 
E)  despite the poor, weathered soils.

Question 15

Use the following graph to answer the question.
 
-You have just been beamed into a biome that has relatively stable temperatures and abundant rainfall. Along with your laser gun, your compass, and rain poncho, you have a graph of precipitation and temperature similar to the one above. Which letter marks the area you are in?

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  E 
A)  A 
B)  B 
C)  C 
D)  D 
E)  E

Question 16

Use the following graph to answer the question.
 
-Desert biomes would fall in the area marked by the letter

Accepted Answer

A)  A. 
B)  B. 
C)  C. 
D)  D. 
E)  E. 
A)  A. 
B)  B. 
C)  C. 
D)  D. 
E)  E.

Question 17

Habitat fragmentation usually leads to a(n)

Accepted Answer

A)  decrease in biodiversity. 
B)  reduction in the number of introduced species. 
C)  increase in biodiversity due to the isolated populations. 
D)  increase in the number of introduced species. 
E)  more stable environment. 
A)  decrease in biodiversity. 
B)  reduction in the number of introduced species. 
C)  increase in biodiversity due to the isolated populations. 
D)  increase in the number of introduced species. 
E)  more stable environment.

Question 18

Tuna and great white sharks would be found within the

Accepted Answer

A)  benthic zone. 
B)  littoral zone. 
C)  pelagic zone. 
D)  hadal zone. 
A)  benthic zone. 
B)  littoral zone. 
C)  pelagic zone. 
D)  hadal zone.

Question 19

Which of the following is not a benefit of high biodiversity?

Accepted Answer

A)  aesthetic and cultural value 
B)  potential medicinal value 
C)  potential sources of food 
D)  ecological value 
E)  production of carbon dioxide 
A)  aesthetic and cultural value 
B)  potential medicinal value 
C)  potential sources of food 
D)  ecological value 
E)  production of carbon dioxide

Question 20

The temperature boundary in freshwater lakes is the

Accepted Answer

A)  thermocline. 
B)  epilimnion. 
C)  benthos. 
D)  hypolimnion. 
A)  thermocline. 
B)  epilimnion. 
C)  benthos. 
D)  hypolimnion.

Use the following graph to answer the question. -Temperate forest biomes would fall in the area marked by the letter

In contrast with the , the soil of the is more nutrient-rich and this type of biome has fewer insects, parasites, and fungal diseases. Therefore, in many places, these areas are highly endangered.

What biome is characterized by moderate temperatures and abundant precipitation?

Which of the following statements about trade in endangered species is false?

Approximately how many species have been identified on Earth?

The total number of living species is probably

In terms of species diversity and complexity, a coral reef would be similar to which terrestrial biome?

The base of the marine food web is

We are usually referring to species diversity when we talk about biodiversity. However, genetic diversity is also important to ecological systems because diverse genes

Species diversity is most concentrated in

The giant panda is considered to be a _________________ species.

The main reason for the current high rate of animal extinctions is

Zebra mussels are a mussel species from Japan that was introduced without negative consequences into the United States to improve water quality.

Humid tropical forests have extraordinary biological diversity

Use the following graph to answer the question. -Desert biomes would fall in the area marked by the letter

Habitat fragmentation usually leads to a(n)

Tuna and great white sharks would be found within the

Which of the following is not a benefit of high biodiversity?

The temperature boundary in freshwater lakes is the

Understanding Our Environment

Environmental Systems: Matter and Energy of Life

Evolution, Species Interactions, and Biological Communities

Human Populations

Environmental Conservation: Forests, Grasslands, Parks, and Nature Preserves

Food and Agriculture

Environmental Health and Toxicology

Climate

Air Pollution

Water: Resources and Pollution

Environmental Geology and Earth Resources

Energy

Solid and Hazardous Waste

Economics and Urbanization

Environmental Policy and Sustainability

Filters

Exam 5: Biomes and Biodiversity

Use the following graph to answer the question. -Temperate forest biomes would fall in the area marked by the letter

In contrast with the ______________, the soil of the ______________ is more nutrient-rich and this type of biome has fewer insects, parasites, and fungal diseases. Therefore, in many places, these areas are highly endangered.

What biome is characterized by moderate temperatures and abundant precipitation?

Which of the following statements about trade in endangered species is false?

Approximately how many species have been identified on Earth?

The total number of living species is probably

In terms of species diversity and complexity, a coral reef would be similar to which terrestrial biome?

The base of the marine food web is

We are usually referring to species diversity when we talk about biodiversity. However, genetic diversity is also important to ecological systems because diverse genes

Species diversity is most concentrated in

The giant panda is considered to be a _________________ species.

The main reason for the current high rate of animal extinctions is

Zebra mussels are a mussel species from Japan that was introduced without negative consequences into the United States to improve water quality.

Humid tropical forests have extraordinary biological diversity

Use the following graph to answer the question. -Desert biomes would fall in the area marked by the letter

Habitat fragmentation usually leads to a(n)

Tuna and great white sharks would be found within the

Which of the following is not a benefit of high biodiversity?

The temperature boundary in freshwater lakes is the

Understanding Our Environment

Environmental Systems: Matter and Energy of Life

Evolution, Species Interactions, and Biological Communities

Human Populations

Environmental Conservation: Forests, Grasslands, Parks, and Nature Preserves

Food and Agriculture

Environmental Health and Toxicology

Climate

Air Pollution

Water: Resources and Pollution

Environmental Geology and Earth Resources

Energy

Solid and Hazardous Waste

Economics and Urbanization

Environmental Policy and Sustainability

Filters

In contrast with the , the soil of the is more nutrient-rich and this type of biome has fewer insects, parasites, and fungal diseases. Therefore, in many places, these areas are highly endangered.