Deck 18: The Biosphere And Human Effects

Question 1

Evergreen broadleaf trees,along with abundant rain,warm temperatures,and consistent day length characterize the ____ biome.

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

Answer 1

B

Question 2

Which way do ocean currents circulate in the Northern Hemisphere?  

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

Answer 2

B

Question 3

Where are grassland biomes typically found?  

A)in the middle of a continent
B)in the rain shadow of a mountain range
C)on the windward side of a mountain range
D)on the leeward side of a mountain range
E)adjacent to the shore of a continent

Answer 3

A

Question 4

The most extensive of the biomes is the ____.

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

Question 5

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

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

Question 6

Which biome is pictured here?

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

Question 7

A characteristic of a temperate deciduous forest biome that differs from a tropical rainforest biome is that in a deciduous forest,____.

A)there is greater biodiversity
B)there are more conifers
C)there are year-round warm temperatures
D)the trees shed their leaves
E)it is very similar to taiga

Question 8

Crater Lake in Oregon formed as a result of a(n)____ about 7,700 years ago.

A)asteroid strike
B)collapsed volcano
C)massive earthquake
D)continental shift
E)shift in Earth's axis

Question 9

Solar radiation that falls on high latitudes ____.

A)passes through about the same amount of atmosphere as that which falls at low latitudes
B)passes through less atmosphere than that which falls at low latitudes
C)passes through more atmosphere than that which falls near low latitudes
D)is spread out over less area than that which falls near low latitudes
E)covers about the same area as that which falls near low latitudes

Question 10

Global air circulation patterns are produced by ____ differences in the amount of solar radiation reaching Earth.

A)elevational
B)latitudinal
C)moisture
D)rotational
E)longitudinal

Question 11

Scientists are documenting the level of radiation in ____ forests along the western coasts of North America because they tend to take up and concentrate radioactive material,making it easier to detect.

A)aspen
B)alder
C)Douglas fir
D)cedar
E)kelp

Question 12

What characterizes a biome?  

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 13

What happens to air as it is warmed?  

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 14

Climate is the ____.

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 15

The dry region on the ____ side of mountains is referred to as a rain shadow.

A)usually moisture-laden
B)windswept
C)highest
D)windward
E)leeward

Question 16

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

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

Question 17

The dark pink color at the top of this picture represents the ____ biome.

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

Question 18

Global movements and circulation of air and ocean currents not only influence global climate,but also ____.

A)aid in bird migration
B)circulate pollutants
C)decrease global warming
D)decrease arctic sea levels
E)dilute nuclear waste

Question 19

What happens to air as it is cooled?  

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 20

Which biome has a layered structure that will contain many vines and epiphytes?  

A)chaparral
B)tundra
C)estuary
D)taiga
E)tropical rainforest

Question 21

Concerning species survival,which status is of greatest concern?  

A)threatened
B)endemic
C)critical
D)endangered
E)serious

Question 22

What is an undersea mountain called?  

A)a seamount
B)a mangrove
C)a trench
D)an estuary
E)a coral reef

Question 23

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

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

Question 24

Permafrost is ____.

A)a temporary pool of water in an estuary
B)a permanent pool of water in the grasslands
C)permanently frozen ground in the polar icecap
D)temporary frozen ground in the polar icecap
E)permanently frozen layer of ground in the tundra

Question 25

Which North American biome has mostly disappeared because of extensive farming of wheat and corn?  

A)chaparral
B)grasslands
C)boreal forest
D)desert
E)taiga

Question 26

A(n)____ species resides where it evolved,and is found nowhere else on Earth.

A)invasive
B)endemic
C)endangered
D)exotic
E)persistent

Question 27

Nutrient poor soils and dominant evergreen angiosperm trees dominate which biome?  

A)boreal forests
B)chaparral
C)deserts
D)tropical rain forests
E)temperate deciduous forests

Question 28

In this freshwater aquatic ecosystem,species composition varies along its length based on rock types,depth,oxygen concentrations,and temperature.

A)streams
B)lakes
C)estuaries
D)coral reefs
E)hydrothermal vents

Question 29

The distribution of major biomes is controlled mainly by ____.

A)ocean currents
B)climate
C)human manipulation
D)longitude
E)latitude

Question 30

In 2001,the ____ became the first invertebrate to be listed as endangered by the U.S.Fish and Wildlife Service.

A)dodo
B)white abalone
C)Texas blind salamander
D)harvester ant
E)coelacanth

Question 31

What salt-tolerant woody plants have prop roots that help the plant stay upright in soft sediments?  

A)wetlands
B)tide pools
C)cordgrass
D)mangroves
E)tidal flats

Question 32

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

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

Question 33

Seawater and freshwater mix in which coastal region?  

A)hydrothermal vents
B)coral reefs
C)seamounts
D)tidal pools
E)estuary

Question 34

A clear lake is likely to be ____.

A)very old
B)well-lit
C)shallow
D)recently formed
E)experiencing high primary productivity

Question 35

The conversion of grasslands or woodlands to desert-like conditions is called ____.

A)desertification
B)bleaching
C)eutrophication
D)deforestation
E)intensive agriculture

Question 36

The primary producers associated with hydrothermal vents are ____.

A)dinoflagellates
B)archaea
C)red algae
D)diatoms
E)sea kelp

Question 37

Which biome is generally found between the polar ice cap and boreal forests?  

A)desert
B)taiga
C)grassland
D)estuary
E)tundra

Question 38

An aquatic ecosystem that may include protists and bacteria as producers in a well-lit zone and detritus feeders in a deeper dark zone is a(n)____.

A)estuary
B)stream
C)lake
D)coral reef
E)hydrothermal vent

Question 39

The prime factor that drives coral bleaching is ____.

A)fungal infection
B)water levels changing
C)salinity levels changing
D)light levels changing
E)temperature changes

Question 40

Which primary succession event led to the formation of the tundra?  

A)large tsunamis
B)glacial retreat
C)volcanic activity
D)the breaking up of Pangaea
E)large earthquakes

Question 41

The genetic diversity within a species of a given region is called the ____.

A)biodiversity
B)dominance hierarchy
C)biogeographic distribution
D)biome
E)community

Question 42

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 ____.

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

Question 43

Protecting biodiversity can be problematic even for developed countries because ____.

A)it is politically incorrect
B)there are not enough endangered species in developed countries to make it worthwhile
C)there are more endangered species in undeveloped countries
D)people are afraid of nature
E)people fear economic consequences

Question 44

Renewable energy sources ____.

A)have no disadvantages
B)include coal-fired power plants
C)have by-products that increase acid rain
D)do not produce clean energy
E)do not produce greenhouse gases

Question 45

Which term refers to the renewal of a natural ecosystem that has been degraded?  

A)ecological balance
B)ecological restoration
C)eutrophication
D)biological magnification
E)bioremediation

Question 46

A(n)____ is an observed consequence of global climate change.

A)more earthquakes
B)acid rain
C)increase in the ozone hole
D)decrease in the ozone layer
E)rise in sea level

Question 47

Due to biological magnification,which would have the highest concentration of a chemical herbicide?  

A)grass - the dominant primary producer
B)cow - an herbivore
C)grasshoppers - an herbivore
D)mice - predators of butterflies
E)hawk - predators of mice

Question 48

The Klamath-Siskiyou forest in southwestern Oregon and northwestern California is home to many rare conifers,two endangered birds,and the endangered Coho salmon.Because of this,it is considered to be a conservation _____.

A)hot spot
B)endangered region
C)national park
D)island
E)ecoregion

Question 49

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

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 50

Plastic pollution has had serious ecological consequences in ____.

A)river ecosystems
B)the atmosphere over urban areas
C)oceans
D)temperate deciduous forests
E)desert biomes

Question 51

Because all commercially produced energy has some kind of negative environmental impact,it is a good idea to simply use ____.

A)wind energy
B)solar energy
C)less energy
D)incandescent lightbulbs
E)less water

Question 52

What does the ozone layer absorb?  

A)heat
B)pollution
C)ultraviolet radiation
D)infrared radiation
E)oxygen

Question 53

The increased concentration of toxins as they move up through the food chain is called ____.

A)biological magnification
B)eutrophication
C)biological accumulation
D)deposition
E)desertification

Question 54

The loss of mayflies from a stream suggests that the quality of water is declining; therefore,mayflies are a(n)____ species.

A)degraded
B)endangered
C)threatened
D)keystone
E)indicator

Question 55

Which region experienced a desertification event called the Dust Bowl in the 1930s?  

A)Europe
B)North America
C)South America
D)East Asia
E)Central Africa

Question 56

What is the main function of the ozone layer?  

A)to provide cloud cover for protection of polar regions
B)to provide a source of oxygen for photosynthesis
C)to filter toxins from acid rain
D)to block most of the sun's damaging rays from reaching Earth
E)to trap carbon dioxide and warm the planet

Question 57

Acid rain is the result of ____.

A)the burning of fossil fuels
B)the greenhouse effect
C)contamination with CFCs
D)desertification
E)deforestation

Question 58

Which was responsible for destruction of the ozone layer?  

A)chlorofluorocarbons
B)carbon dioxide
C)methylmercury
D)methane
E)nitrogen

Question 59

In its use in conservation efforts,lichens are classified as an example of a(n)____.

A)biological magnified species
B)endangered species
C)biodiverse species
D)indicator species
E)exotic species

Question 60

The only way to meet the resource needs of future generations is through ____.

A)sustainable resource use
B)biological magnification
C)creating conservation hotspots
D)clear cutting and mining
E)increasing use of nonrenewable resources

Question 61

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

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

Question 62

Match each description with the appropriate biome.Some choices may be used more than once.
a.chaparral
b.tropical rainforest
c.temperate deciduous forest
d.boreal forest
e.tundra
f.desert
g.Savanna
some of the dominant plants are CAM plants

Question 63

Pandas are an example of a(n)____ species that is in danger of extinction because they are dependent on disappearing bamboo forests.

A)"extinct in the wild"
B)extinct
C)indicator
D)endemic
E)keystone

Question 64

Match each description with the appropriate biome.Some choices may be used more than once.
a.chaparral
b.tropical rainforest
c.temperate deciduous forest
d.boreal forest
e.tundra
f.desert
g.Savanna
sometimes called the "lungs of the Earth"

Question 65

Match each description with the appropriate biome.Some choices may be used more than once.
a.chaparral
b.tropical rainforest
c.temperate deciduous forest
d.boreal forest
e.tundra
f.desert
g.Savanna
most extensive biome

Question 66

Match each description with the appropriate biome.Some choices may be used more than once.
a.chaparral
b.tropical rainforest
c.temperate deciduous forest
d.boreal forest
e.tundra
f.desert
g.Savanna
dominant plants are drought-resistant shrubs adapted to fire

Question 67

Match each description with the appropriate biome.Some choices may be used more than once.
a.chaparral
b.tropical rainforest
c.temperate deciduous forest
d.boreal forest
e.tundra
f.desert
g.Savanna
youngest of all the biomes

Question 68

Ultimately,what is the greatest threat to biodiversity?  

A)plant pathogens
B)exotic species
C)unthinking humans
D)mineral and energy use
E)conservation efforts

Question 69

The photos of the Muir Glacier taken in 1941 (left)and 2004 (right)demonstrate the consequences of____.  

A)deforestation
B)biological magnification
C)acid rain
D)ozone destruction
E)global climate change

Question 70

Increased levels of cesium radioisotopes released from the Fukushima nuclear power plant were observed in ____.

A)blue whales
B)sharks
C)bluefin tuna
D)yellowfin tuna
E)swordfish

Question 71

Match each description with the appropriate biome.Some choices may be used more than once.
a.chaparral
b.tropical rainforest
c.temperate deciduous forest
d.boreal forest
e.tundra
f.desert
g.Savanna
trees shed their leaves and become dormant in winter

Question 72

Desertification is mainly caused by ____.

A)lack of rain
B)poor agricultural practices
C)too much precipitation
D)deforestation
E)erosion

Question 73

Match each description with the appropriate biome.Some choices may be used more than once.
a.chaparral
b.tropical rainforest
c.temperate deciduous forest
d.boreal forest
e.tundra
f.desert
g.Savanna
the most structurally complex

Question 74

Match each description with the appropriate biome.Some choices may be used more than once.
a.chaparral
b.tropical rainforest
c.temperate deciduous forest
d.boreal forest
e.tundra
f.desert
g.Savanna
biome with the coldest temperatures 

Question 75

The best way to reclaim an ecosystem that is extensively damaged is to ____.

A)allow natural succession to take over
B)remove all predators from the area
C)seed the area with a type of grass
D)bring in beneficial insects
E)implement ecological restoration

Question 76

Match each description with the appropriate biome.Some choices may be used more than once.
a.chaparral
b.tropical rainforest
c.temperate deciduous forest
d.boreal forest
e.tundra
f.desert
g.Savanna
tropical grasslands with a few scattered shrubs and trees

Question 77

Very high concentrations of ____ accumulates in large predatory fishes such as swordfish,bluefin tuna,and albacore tuna,which may cause developmental abnormalities when consumed by pregnant women.

A)methylmercury
B)DDT
C)sulfur dioxide
D)chlorofluorocarbon (CFC)
E)ozone gas

Question 78

The Great Pacific Garbage Patch is a region of the north central Pacific where a high concentration of confetti-like plastic particles swirl slowly around an area as large as the state of ____.

A)Alaska
B)Idaho
C)Rhode Island
D)Texas
E)Pennsylvania

Question 79

Match each description with the appropriate biome.Some choices may be used more than once.
a.chaparral
b.tropical rainforest
c.temperate deciduous forest
d.boreal forest
e.tundra
f.desert
g.Savanna
oldest of all the biomes

Question 80

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.

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