Question 1

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

Accepted Answer

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

Question 2

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

Accepted Answer

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

Question 3

Plastic pollution has had serious ecological consequences in ____.

Accepted Answer

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

Question 4

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

Accepted Answer

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

Question 5

Permafrost is ____.

Accepted Answer

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 6

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

Accepted Answer

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 7

Match each description with the appropriate biome.Some choices may be used more than once.
-sometimes called the "lungs of the Earth"

Accepted Answer

A) chaparral 
B) tropical rainforest 
C) temperate deciduous forest 
D) boreal forest 
E) tundra
F)desert
G)Savanna

Question 8

Which was responsible for destruction of the ozone layer?

Accepted Answer

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

Question 9

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

Accepted Answer

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

Question 10

Match each key concept with its correct description.
-causes harm to aquatic organisms; burns tree leaves and drives loss of soil nutrients

Accepted Answer

A) acid rain 
B) global climate change 
C) hole in the ozone layer 
D) nonrenewable energy 
E) renewable energy
F)desertification
G)deforestation
H)ecological restoration
I)Great Pacific Garbage Patch
J)Bluefin tuna

Question 11

Match each key concept with its correct description.
-Louisiana's Sabine National Wildlife Refuge

Accepted Answer

A) acid rain 
B) global climate change 
C) hole in the ozone layer 
D) nonrenewable energy 
E) renewable energy
F)desertification
G)deforestation
H)ecological restoration
I)Great Pacific Garbage Patch
J)Bluefin tuna

Question 12

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

Accepted Answer

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

Question 13

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 _____.

Accepted Answer

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

Question 14

Match each description with the correct aquatic ecosystem.
-the type of rock present,plus its depth,and temperature,affect species composition along its length

Accepted Answer

A) lakes 
B) streams 
C) estuary 
D) ocean shores 
E) coral reefs
F)open ocean
G)hydrothermal vents

Question 15

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

Accepted Answer

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

Question 16

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 ____.

Accepted Answer

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

Question 17

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

Accepted Answer

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

Question 18

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

Accepted Answer

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

Question 19

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.

Accepted Answer

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

Question 20

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

Accepted Answer

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

Exam 18: The Biosphere And Human Effects