Question 1

Which ocean current runs along the western coast of South America producing cold offshore winds?

Accepted Answer

A)  Humboldt Current
B)  equatorial countercurrent
C)  Gulf Stream
D)  West wind drift current
E)  East wind driftF) A) and D)
G) A) and C)

Question 2

Which of the following biomes is characterized by little rainfall,permafrost,and an average temperature below 0 ∘\circ∘ C?

Accepted Answer

A)  grasslands
B)  tundra
C)  desert
D)  taiga
E)  temperate deciduous forest F) A) and B)
G) A) and C)

Question 3

_____ lakes are nutrient rich and tend to have large populations of algae.

Accepted Answer

A)  Oligotrophic
B)  Eutrophic
C)  Temperate
D)  StratifiedE) A) and C)
F) All of the above

Question 4

Temperate deciduous forests are characterized by

Accepted Answer

A)  dry climates with rainfall averages around 25-75 cm per year.
B)  the highest variation in day and night length.
C)  the highest amount of organisms living in tree canopy.
D)  a growing season that ranges between 140 and 300 days.
E)  the richest topsoil horizon.F) B) and D)
G) D) and E)

Question 5

The sunlit portion of a lake is specifically referred to as the

Accepted Answer

A)  littoral zone.
B)  limnetic zone.
C)  profundal zone.
D)  benthic zone.
E)  abyssal zone.F) A) and B)
G) A) and C)

Question 6

As the average global temperature continues to increase,which type of biome(s) will take over the regions currently inhabited by temperate forests?

Accepted Answer

A)  Tropical seasonal forests
B)  Tropical rainforests and deserts
C)  Taiga and woodlands
D)  Tropical seasonal forests and deserts
E)  Tundra and savannasF) A) and E)
G) A) and B)

Question 7

The Earth is actually farther from the sun during the period when the Northern Hemisphere is having summer.How can this be explained?

Accepted Answer

A)  The sun grows more powerful on a half-year cycle.
B)  There is a six-month lag phase between sunlight being absorbed and lost.
C)  The tilt of the Earth presents the Northern Hemisphere in a more perpendicular angle,and this increased sunlight more than offsets the decrease in sunlight due to the added distance.
D)  There must be some mistake in measuring the Earth's orbit because if the Earth were farther away,we would be cooler.E) A) and B)
F) A) and C)

Question 8

Which of the following does NOT characterize tundra?

Accepted Answer

A)  permafrost
B)  trees
C)  shrub
D)  caribouE) A) and B)
F) A) and C)

Question 9

Which of the following biomes is characterized by rich soils,insufficient rainfall for trees,and many herbivores?

Accepted Answer

A)  grasslands
B)  chaparral
C)  desert
D)  taiga
E)  tundraF) A) and B)
G) B) and D)

Question 10

Which region of the Earth receives the least amount of solar radiation during the Winter solstice?

Accepted Answer

A)  Northern Hemisphere
B)  Equatorial regions
C)  Southern Hemisphere
D)  Between 300 North and 300 South
E)  All of the Earth's regions receive the same amount of solar radiation during the Winter solstice.F) C) and D)
G) B) and E)

Question 11

There are tubeworms and clams that live at the bottom of the ocean near thermal vents that do not have direct access to sunlight so they derive their energy from

Accepted Answer

A)  the sun by way of burning fossil fuels like we do with coal and oil.
B)  the sun,but they are deep in the dark ocean and live off dead detritus that sink to them.
C)  chemosynthetic bacteria.
D)  sources not yet known.E) A) and B)
F) B) and D)

Question 12

Major regional groups of interacting terrestrial ecosystems,characterized by climate and geography,are called

Accepted Answer

A)  biospheres.
B)  estuaries.
C)  tundras.
D)  taigas.
E)  biomes.F) A) and B)
G) All of the above

Question 13

Which of the following biome will receive migratory animals such as caribou,from the tundra?

Accepted Answer

A)  coniferous forest
B)  temperate deciduous forest
C)  polar ice
D)  grasslands
E)  tropical rainforestF) All of the above
G) A) and E)

Question 14

A biome characterized by hot days,cold nights,and cacti is the

Accepted Answer

A)  tundra.
B)  desert.
C)  taiga.
D)  tropical rain forest.E) C) and D)
F) All of the above

Question 15

The early explorers used sailing ships,which were blown by the major winds; therefore,Columbus and other sailors generally traveled from Europe to North America by the mid-latitude westerlies,and returned to Europe by the southern easterlies near the equator.

Accepted Answer

A) True 
 B)False

Question 16

What is the main reason that the oceans play a larger role in determining the temperature of air masses?

Accepted Answer

A)  The ocean holds it's temperature longer than land masses.
B)  The ocean currents are constantly moving while land masses are stationary.
C)  The ocean is flat while land masses have topographical features to break up air patterns.
D)  The ocean currents move in a circular pattern while land masses are stationary.E) B) and C)
F) A) and D)

Question 17

Which of the following statements about stratified temperate zone lakes is NOT true?

Accepted Answer

A)  Solar radiation warms the surface layers in summer.
B)  Rich nutrients from the continual production of detritus accumulate near the surface of the lake.
C)  Temperature gradients change from summer to winter.
D)  Populations of plankton and zooplankton depend on both sunlight and nutrient levels.
E)  Wind aids in the circulation of water.F) C) and D)
G) B) and C)

Question 18

Coniferous forests are found in all of the following locations EXCEPT

Accepted Answer

A)  coastal areas of the southeastern United States.
B)  northern Africa and the extreme southwestern United States.
C)  the Pacific coast of North America.
D)  the northern part of North America and Eurasia.E) B) and D)
F) C) and D)

Question 19

If the Earth was standing still (not rotating) and was a solid,uniform ball,wind directions would

Accepted Answer

A)  cease.
B)  run north and south.
C)  run east and west.
D)  remain the same since the Earth's rotation does not affect wind directions.E) B) and D)
F) C) and D)

Question 20

In what order do these layers occur in deep lakes in the temperate zone? From the surface to the bottom of the lake,one would find the

Accepted Answer

A)  epilimnion - thermocline - hypolimnion.
B)  thermocline - epilimnion - hypolimnion.
C)  hypolimnion - epilimnion - thermocline.
D)  epilimnion - hypolimnion - thermocline.E) None of the above
F) C) and D)

Exam 46: Major Ecosystems of the Biosphere

If the Earth was standing still (not rotating) and was a solid,uniform ball,wind directions would

Correct AnswerverifiedShow Answer

The sunlit portion of a lake is specifically referred to as the

Correct AnswerverifiedShow Answer

Which of the following biomes is characterized by little rainfall,permafrost,and an average temperature below 0 ∘\circ∘ C?

Correct AnswerverifiedShow Answer

_____ lakes are nutrient rich and tend to have large populations of algae.

Correct AnswerverifiedShow Answer

A biome characterized by hot days,cold nights,and cacti is the

Correct AnswerverifiedShow Answer

Which of the following does NOT characterize tundra?

Correct AnswerverifiedShow Answer

Which of the following statements about stratified temperate zone lakes is NOT true?

Correct AnswerverifiedShow Answer

Which region of the Earth receives the least amount of solar radiation during the Winter solstice?

Correct AnswerverifiedShow Answer

There are tubeworms and clams that live at the bottom of the ocean near thermal vents that do not have direct access to sunlight so they derive their energy from

Correct AnswerverifiedShow Answer

The early explorers used sailing ships,which were blown by the major winds; therefore,Columbus and other sailors generally traveled from Europe to North America by the mid-latitude westerlies,and returned to Europe by the southern easterlies near the equator.

Correct AnswerverifiedShow Answer

Which of the following biomes is characterized by rich soils,insufficient rainfall for trees,and many herbivores?

Correct AnswerverifiedShow Answer

As the average global temperature continues to increase,which type of biome(s) will take over the regions currently inhabited by temperate forests?

Correct AnswerverifiedShow Answer

The Earth is actually farther from the sun during the period when the Northern Hemisphere is having summer.How can this be explained?

Correct AnswerverifiedShow Answer

Which of the following biome will receive migratory animals such as caribou,from the tundra?

Correct AnswerverifiedShow Answer

Which ocean current runs along the western coast of South America producing cold offshore winds?

Correct AnswerverifiedShow Answer

In what order do these layers occur in deep lakes in the temperate zone? From the surface to the bottom of the lake,one would find the

Correct AnswerverifiedShow Answer

Coniferous forests are found in all of the following locations EXCEPT

Correct AnswerverifiedShow Answer

What is the main reason that the oceans play a larger role in determining the temperature of air masses?

Correct AnswerverifiedShow Answer

Major regional groups of interacting terrestrial ecosystems,characterized by climate and geography,are called

Correct AnswerverifiedShow Answer

Temperate deciduous forests are characterized by

Correct AnswerverifiedShow Answer

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Which of the following biomes is characterized by little rainfall,permafrost,and an average temperature below 0^$\circ$C?

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