Question 1

Desertification,according to the text,is thought to be principally due to

Accepted Answer

A) poor agricultural practices and overgrazing. 
B) salinization. 
C) shifts in Earth's orbit. 
D) political conflicts. 
A) poor agricultural practices and overgrazing. 
B) salinization. 
C) shifts in Earth's orbit. 
D) political conflicts.

Question 2

Trees in the tropical rain forest have ________ root systems because ________.

Accepted Answer

A) deep most of the nutrients lie at great depths because of leaching by heavy rains 
B) deep water near the soil surface is often too acidic for the trees to tolerate 
C) shallow most of the nutrients occur in the shallow surface layer that contains rapidly decaying organic matter 
D) shallow there is intense competition for moisture,which occurs only near the surface because rapid evaporation prevents water from penetrating the soil to a significant degree 
E) deep trees need to be anchored deeply in the soil to prevent blow down by strong tropical winds. 
A) deep most of the nutrients lie at great depths because of leaching by heavy rains 
B) deep water near the soil surface is often too acidic for the trees to tolerate 
C) shallow most of the nutrients occur in the shallow surface layer that contains rapidly decaying organic matter 
D) shallow there is intense competition for moisture,which occurs only near the surface because rapid evaporation prevents water from penetrating the soil to a significant degree 
E) deep trees need to be anchored deeply in the soil to prevent blow down by strong tropical winds.

Question 3

The arctic and alpine tundra is appropriately described by which of the following?

Accepted Answer

A) humid continental,warm summer climate classification 
B) generally south of the 20°C isotherm for the warmest month 
C) tundra climate classification,treeless with dwarf shrubs 
D) large tracts of boreal forest 
E) dominated by needleleaf trees 
A) humid continental,warm summer climate classification 
B) generally south of the 20°C isotherm for the warmest month 
C) tundra climate classification,treeless with dwarf shrubs 
D) large tracts of boreal forest 
E) dominated by needleleaf trees

Question 4

The world's breadbaskets refers to which biome?

Accepted Answer

A) northern needleleaf forest and montane forest 
B) midlatitude grassland 
C) alpine tundra 
D) midlatitude broadleaf and mixed forest 
E) mixed broadleaf forest 
A) northern needleleaf forest and montane forest 
B) midlatitude grassland 
C) alpine tundra 
D) midlatitude broadleaf and mixed forest 
E) mixed broadleaf forest

Question 5

The physical characteristics of plants in the Mediterranean shrubland biome are adaptations to

Accepted Answer

A) cold. 
B) moisture surpluses. 
C) high pH soils. 
D) dryness. 
A) cold. 
B) moisture surpluses. 
C) high pH soils. 
D) dryness.

Question 6

Discuss the vegetation characteristics,characteristic soil orders,temperature patterns,water balance,and state of the environment for the tropical seasonal forest and scrub.

Accepted Answer

The tropical seasonal forest and scrub,

Question 7

The tropical savanna experiences a dry period during the season of low Sun when the subtropical high dominates the area.

Accepted Answer

A) True 
 B)False

Question 8

Earth's warm deserts develop primarily in response to

Accepted Answer

A) their location within the subtropical high pressure zone. 
B) their location within the ITCZ. 
C) their location on the leeward side of a mountain range. 
D) their location on the windward side of a mountain range. 
E) their elevation. 
A) their location within the subtropical high pressure zone. 
B) their location within the ITCZ. 
C) their location on the leeward side of a mountain range. 
D) their location on the windward side of a mountain range. 
E) their elevation.

Question 9

At continued rates of species extinction,it is possible that half of the species currently on Earth could be extinct in ________ years.

Accepted Answer

A) 50 
B) 100 
C) 500 
D) 900 
E) 1400 
A) 50 
B) 100 
C) 500 
D) 900 
E) 1400

Question 10

Boreal forests represent a form of the needleleaf forest biome.

Accepted Answer

A) True 
 B)False

Question 11

Describe and analyze the use of biosphere reserves to slow the decline of biodiversity.

Accepted Answer

Biosphere reserves are designated areas

Question 12

Deforestation in the midlatitude broadleaf and mixed forest biome has occurred primarily as a result of

Accepted Answer

A) coal mining. 
B) petroleum extraction. 
C) agriculture. 
D) copper mining 
E) urban development 
A) coal mining. 
B) petroleum extraction. 
C) agriculture. 
D) copper mining 
E) urban development

Question 13

The biosphere-reserve effort specifically involves principles of

Accepted Answer

A) geography. 
B) biology. 
C) geology. 
D) island biogeography. 
E) geoarcheology 
A) geography. 
B) biology. 
C) geology. 
D) island biogeography. 
E) geoarcheology

Question 14

Geographic regions of plants and animals where groups of species evolved are termed

Accepted Answer

A) ecosystems. 
B) communities. 
C) evolution places. 
D) biogeographical realms. 
E) niches. 
A) ecosystems. 
B) communities. 
C) evolution places. 
D) biogeographical realms. 
E) niches.

Question 15

Local names for tropical seasonal forest and scrub vary worldwide and include

Accepted Answer

A) maquis. 
B) patanaal. 
C) caatinga. 
D) chaparral. 
E) mallee scrub. 
A) maquis. 
B) patanaal. 
C) caatinga. 
D) chaparral. 
E) mallee scrub.

Question 16

Alpine tundra,as compared to arctic tundra,

Accepted Answer

A) is similar in many ways and can occur at lower latitudes due to high elevations. 
B) is very dissimilar and is only grouped with arctic tundra because they are both cold. 
C) occurs at extremely high latitudes. 
D) occurs below the timberline. 
E) occurs at low elevations at low latitudes. 
A) is similar in many ways and can occur at lower latitudes due to high elevations. 
B) is very dissimilar and is only grouped with arctic tundra because they are both cold. 
C) occurs at extremely high latitudes. 
D) occurs below the timberline. 
E) occurs at low elevations at low latitudes.

Question 17

The ________ trees of the tropical seasonal forest and scrub biome lose their leaves during the ________ season.

Accepted Answer

A) deciduous winter 
B) deciduous summer 
C) semi-deciduous winter 
D) semi-deciduous summer 
E) coniferous summer 
A) deciduous winter 
B) deciduous summer 
C) semi-deciduous winter 
D) semi-deciduous summer 
E) coniferous summer

Question 18

A biome is

Accepted Answer

A) an ecosystem characterized by related animal populations. 
B) a large,stable terrestrial ecosystem or aquatic ecosystem. 
C) the smallest local designation of a community. 
D) a natural community that is unaffected by human activity. 
E) a self-sustaining association of land-based plants and animals. 
A) an ecosystem characterized by related animal populations. 
B) a large,stable terrestrial ecosystem or aquatic ecosystem. 
C) the smallest local designation of a community. 
D) a natural community that is unaffected by human activity. 
E) a self-sustaining association of land-based plants and animals.

Question 19

Large,stable,terrestrial and aquatic ecosystems are called biomes.

Accepted Answer

A) True 
 B)False

Question 20

Biomes are subdivided into vegetation units known as formation classes.

Accepted Answer

A) True 
 B)False

Exam 20: Terrestrial Biomes

Desertification,according to the text,is thought to be principally due to

Trees in the tropical rain forest have ________ root systems because ________.

The arctic and alpine tundra is appropriately described by which of the following?

The world's breadbaskets refers to which biome?

The physical characteristics of plants in the Mediterranean shrubland biome are adaptations to

Discuss the vegetation characteristics,characteristic soil orders,temperature patterns,water balance,and state of the environment for the tropical seasonal forest and scrub.

The tropical savanna experiences a dry period during the season of low Sun when the subtropical high dominates the area.

Earth's warm deserts develop primarily in response to

At continued rates of species extinction,it is possible that half of the species currently on Earth could be extinct in ________ years.

Boreal forests represent a form of the needleleaf forest biome.

Describe and analyze the use of biosphere reserves to slow the decline of biodiversity.

Deforestation in the midlatitude broadleaf and mixed forest biome has occurred primarily as a result of

The biosphere-reserve effort specifically involves principles of

Geographic regions of plants and animals where groups of species evolved are termed

Local names for tropical seasonal forest and scrub vary worldwide and include

Alpine tundra,as compared to arctic tundra,

The ________ trees of the tropical seasonal forest and scrub biome lose their leaves during the ________ season.

A biome is

Large,stable,terrestrial and aquatic ecosystems are called biomes.

Biomes are subdivided into vegetation units known as formation classes.

Essentials of Geography

Solar Energy to Earth and the Seasons

Earth's Modern Atmosphere

Atmosphere and Surface Energy Balances

Global Temperatures

Atmospheric and Oceanic Circulations

Water and Atmospheric Moisture

Weather

Water Resources

Climate Systems and Climate Change

The Dynamic Planet

Tectonics, Earthquakes, and Volcanism

Weathering, Karst Landscapes, and Mass Movement

River Systems and Landforms

Eolian Processes and Arid Landscapes

The Oceans, Coastal Processes, and Landforms

Glacial and Periglacial Processes and Landforms

The Geography of Soils

Ecosystem Essentials

Earth and the Human Denominator

Filters

Trees in the tropical rain forest have root systems because .

The trees of the tropical seasonal forest and scrub biome lose their leaves during the season.