Question 1

Scientists expect water enriched with 137 Cs to reach the west coast of North America by 2015-2020 due _____.

Accepted Answer

A) rising sea levels 
B) prevailing winds 
C) drifting kelp forests 
D) air currents 
E) deep marine currents 
A) rising sea levels 
B) prevailing winds 
C) drifting kelp forests 
D) air currents 
E) deep marine currents

Question 2

Match between columns
                        Premises: logging of tropical rainforests

Accepted Answer

The Answer of acid rain and desertification and deforestation and is...

Question 3

Match between columns
                        Premises: some of the dominant plants are CAM plants

Accepted Answer

The Answer of tundra and temperate deciduous forest and boreal is...

Question 4

Although extinction is a natural process and is ongoing, it is likely we are in a time of ____, an event in which many different kinds of organisms become extinct in a relatively short period.

Accepted Answer

A) mass extinction 
B) genetic mutation 
C) geologic catastrophe 
D) loss of megafauna 
E) birth of new species 
A) mass extinction 
B) genetic mutation 
C) geologic catastrophe 
D) loss of megafauna 
E) birth of new species

Question 5

What happens to air as it is cooled?

Accepted Answer

A) It rises. 
B) It sinks. 
C) It moves toward higher latitudes. 
D) It moves along a pressure gradient. 
E) It moves toward lower latitudes. 
A) It rises. 
B) It sinks. 
C) It moves toward higher latitudes. 
D) It moves along a pressure gradient. 
E) It moves toward lower latitudes.

Question 6

Which way do ocean currents circulate in the Northern Hemisphere?

Accepted Answer

A) counterclockwise 
B) clockwise 
C) away from continents 
D) toward the shore 
E) parallel to the direction of the shore 
A) counterclockwise 
B) clockwise 
C) away from continents 
D) toward the shore 
E) parallel to the direction of the shore

Question 7

Match between columns
                        Premises: rising sea levels

Accepted Answer

The Answer of Bluefin tuna and ecological restoration and nonrenewable is...

Question 8

One disadvantage of hydroelectric energy as a renewable power source is that ____.

Accepted Answer

A) it causes disease-causing organisms to remain in the stream 
B) it contributes to acid rain 
C) it produces greenhouse gases 
D) its dams block salmon from returning to streams to breed 
E) it pollutes streams downriver from the dams 
A) it causes disease-causing organisms to remain in the stream 
B) it contributes to acid rain 
C) it produces greenhouse gases 
D) its dams block salmon from returning to streams to breed 
E) it pollutes streams downriver from the dams

Question 9

The most extensive of the biomes is the ____.

Accepted Answer

A) temperate deciduous forest 
B) chaparral 
C) tropical rainforest 
D) temperate grassland 
E) boreal forest 
A) temperate deciduous forest 
B) chaparral 
C) tropical rainforest 
D) temperate grassland 
E) boreal forest

Question 10

Climate is the ____.

Accepted Answer

A) average weather conditions an area receives over a short interval 
B) average weather conditions an area receives over a long interval 
C) annual amount of sunlight an area receives 
D) annual amount of rainfall an area receives 
E) annual amount of total precipitation that occurs in an area 
A) average weather conditions an area receives over a short interval 
B) average weather conditions an area receives over a long interval 
C) annual amount of sunlight an area receives 
D) annual amount of rainfall an area receives 
E) annual amount of total precipitation that occurs in an area

Question 11

In a hydrothermal vent community pictured here, the typical consumer is a(n)____.

Accepted Answer

A) coral reef 
B) bacteria 
C) archaea 
D) tube worm 
E) algae 
A) coral reef 
B) bacteria 
C) archaea 
D) tube worm 
E) algae

Question 12

Match between columns
                        Premises: sometimes called the "lungs of the Earth"

Accepted Answer

The Answer of savanna and tundra and chaparral and boreal is...

Question 13

California's most extensive ecosystem, the ____ biome, is dominated by drought-resistant, fire-adapted shrubs with small, leathery leaves.

Accepted Answer

A) temperate deciduous forest 
B) prairie 
C) desert 
D) chaparral 
E) savannah 
A) temperate deciduous forest 
B) prairie 
C) desert 
D) chaparral 
E) savannah

Question 14

A plant pathologist, a scientist who studies plant diseases, examines a tree that has burnt leaves, is mineral deficient, and has several diseases. The plant pathologist concludes the tree's symptoms are most likely the direct result of ____.

Accepted Answer

A) biological magnification 
B) desertification 
C) ozone depletion 
D) acid rain 
E) deforestation 
A) biological magnification 
B) desertification 
C) ozone depletion 
D) acid rain 
E) deforestation

Question 15

What characterizes a biome?

Accepted Answer

A) its temperature and main type of vegetation 
B) its climate and main type of vegetation 
C) its climate and temperature 
D) its humidity and temperature 
E) its plant life and mountain ranges 
A) its temperature and main type of vegetation 
B) its climate and main type of vegetation 
C) its climate and temperature 
D) its humidity and temperature 
E) its plant life and mountain ranges

Question 16

Match between columns
                        Premises: biome with the coldest temperatures

Accepted Answer

The Answer of tundra and desert and temperate deciduous forest is...

Question 17

Match between columns
                        Premises: causes harm to aquatic organisms; burns tree leaves and drives loss of soil nutrients

Accepted Answer

The Answer of nonrenewable energy and Great Pacific Garbage Patch is...

Question 18

Which event endangers far more species than the destruction of a comparable area elsewhere?

Accepted Answer

A) deforestation of temperate deciduous 
B) desertification of grasslands 
C) deforestation of taiga 
D) desertification of savannah 
E) deforestation in tropical rainforest biomes 
A) deforestation of temperate deciduous 
B) desertification of grasslands 
C) deforestation of taiga 
D) desertification of savannah 
E) deforestation in tropical rainforest biomes

Question 19

Which tree has needle-shaped leaves that are adaptations for minimizing water loss?

Accepted Answer

A) cacti 
B) conifer 
C) broadleaf evergreen 
D) deciduous angiosperms 
E) mesquite 
A) cacti 
B) conifer 
C) broadleaf evergreen 
D) deciduous angiosperms 
E) mesquite

Exam 18: The Biosphere and Human Effects

Scientists expect water enriched with 137 Cs to reach the west coast of North America by 2015-2020 due _____.

Although extinction is a natural process and is ongoing, it is likely we are in a time of ____, an event in which many different kinds of organisms become extinct in a relatively short period.

What happens to air as it is cooled?

Which way do ocean currents circulate in the Northern Hemisphere?

One disadvantage of hydroelectric energy as a renewable power source is that ____.

The most extensive of the biomes is the ____.

Climate is the ____.

In a hydrothermal vent community pictured here, the typical consumer is a(n)____.

California's most extensive ecosystem, the ____ biome, is dominated by drought-resistant, fire-adapted shrubs with small, leathery leaves.

A plant pathologist, a scientist who studies plant diseases, examines a tree that has burnt leaves, is mineral deficient, and has several diseases. The plant pathologist concludes the tree's symptoms are most likely the direct result of ____.

What characterizes a biome?

Which event endangers far more species than the destruction of a comparable area elsewhere?

Which tree has needle-shaped leaves that are adaptations for minimizing water loss?

Invitation to Biology

Molecules of Life

Cell Structure

Energy and Metabolism

Capturing and Releasing Energy

Dna Structure and Function

Gene Expression and Control

How Cells Reproduce

Patterns of Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Early Life Forms and the Viruses

Plants and Fungi

Animal Evolution

Population Ecology

Communities and Ecosystems

Animal Tissues and Organs

How Animals Move

Circulation and Respiration

Immunity

Digestion and Excretion

Neural Control and the Senses

Endocrine Control

Reproduction and Development

Plant Form and Function

Plant Reproduction and Development

Filters

Scientists expect water enriched with ¹³⁷Cs to reach the west coast of North America by 2015-2020 due _____.