Question 1

Identify the winter solstice,summer solstice,vernal equinox,and autumnal equinox in the picture.Briefly describe the position of the Earth in relation to the sun and the time of year each event occurs.  A.________
B.________
C.________
D.________

Accepted Answer

A.Winter solstice: At the time of the wi...

Question 2

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 D)
F) A) and C)

Question 3

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) D) and E)
G) B) and E)

Question 4

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) C) and D)
F) A) and B)

Question 5

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

Accepted Answer

A)  grasslands
B)  tundra
C)  desert
D)  taiga
E)  temperate deciduous forestF) B) and D)
G) None of the above B

Question 6

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 the tree canopy.
D)  a growing season that ranges between 140 and 300 days.
E)  the richest topsoil horizon.F) C) and E)
G) B) and E)

Question 7

Due to its high productivity and biological diversity,this biome is considered the "nursery" of the sea.
A)rocky beach
B)sandy beach
C)estuary
D)coral reef
E)ocean floor

Accepted Answer

The "nurse...

Question 8

The Humboldt Current runs along the coast of South America,carrying nitrogen-rich cold water northward.

Accepted Answer

A) True 
 B)False

Question 9

Kansas and Pennsylvania are approximately at the same latitude.Yet why are the potential natural communities in Kansas mostly grassland and in Pennsylvania mostly temperate forest?

Accepted Answer

A)  different temperatures
B)  different levels of moisture
C)  different soil texture and pH levels
D)  different vegetation due to different seed banks
E)  different altitudesF) None of the above
G) A) and B)

Question 10

A forest found in a broad belt in northern Eurasia and North America,with conifers and swamps,is called the

Accepted Answer

A)  tropical rain forest.
B)  tundra.
C)  taiga.
D)  chaparral.
E)  temperate deciduous forest.F) A) and B)
G) A) and E)

Question 11

Which aquatic zone will provide a habitat for invertebrates and many small fish?

Accepted Answer

A)  littoral zone
B)  profundal zone
C)  epipelagic zone
D)  limnetic zoneE) A) and C)
F) B) and C)

Question 12

Which of the following is NOT strictly a freshwater community?

Accepted Answer

A)  lakes
B)  rivers
C)  estuaries
D)  streams
E)  pondsF) A) and C)
G) A) and E)

Question 13

What occurs to air currents as they travel from 60° north towards the pole?

Accepted Answer

A)  The warmed air will rise and cool,producing a low pressure area with high rainfall.
B)  The warmed air will rise and cool,producing a low pressure area with low rainfall.
C)  The cool air will rise and warm up,producing a low pressure area with high rainfall.
D)  The cool air will rise,producing a high pressure area with low rainfall.E) A) and D)
F) B) and D) A

Question 14

Which of the following biomes 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 rain forestF) B) and C)
G) B) and E)

Question 15

In what order do these layers occur in deep lakes in the temperate zone during the summer?

Accepted Answer

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

Question 16

List the biome distribution starting at the northern most latitude and moving south.

Accepted Answer

tundra - coniferous forest - temperate d...

Question 17

The sunlit portion of a lake where rooted plants are not found is 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 E)

Question 18

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 19

Which of the following does NOT characterize tundra?

Accepted Answer

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

Question 20

Ocean currents

Accepted Answer

A)  are generated by friction between winds and ocean surfaces.
B)  always move clockwise in an ocean basin.
C)  are important in shipping but have little effect on living environments.
D)  are driven by the Earth's core rotating faster than the ocean water.
E)  All of the choices are correct.F) A) and E)
G) A) and B)

Exam 46: Major Ecosystems of the Biosphere

Identify the winter solstice,summer solstice,vernal equinox,and autumnal equinox in the picture.Briefly describe the position of the Earth in relation to the sun and the time of year each event occurs. A.________ B.________ C.________ D.________

Correct AnswerverifiedA.Winter solstice: At the time of the wi...View AnswerShow 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

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

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 biomes is characterized by little rainfall,permafrost,and an average temperature below 0°C?

Correct AnswerverifiedB

Temperate deciduous forests are characterized by

Correct AnswerverifiedShow Answer

Due to its high productivity and biological diversity,this biome is considered the "nursery" of the sea. A)rocky beach B)sandy beach C)estuary D)coral reef E)ocean floor

Correct AnswerverifiedThe "nurse...View AnswerShow Answer

The Humboldt Current runs along the coast of South America,carrying nitrogen-rich cold water northward.

Correct AnswerverifiedShow Answer

Kansas and Pennsylvania are approximately at the same latitude.Yet why are the potential natural communities in Kansas mostly grassland and in Pennsylvania mostly temperate forest?

Correct AnswerverifiedShow Answer

A forest found in a broad belt in northern Eurasia and North America,with conifers and swamps,is called the

Correct AnswerverifiedShow Answer

Which aquatic zone will provide a habitat for invertebrates and many small fish?

Correct AnswerverifiedShow Answer

Which of the following is NOT strictly a freshwater community?

Correct AnswerverifiedShow Answer

What occurs to air currents as they travel from 60° north towards the pole?

Correct AnswerverifiedA

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

Correct AnswerverifiedShow Answer

In what order do these layers occur in deep lakes in the temperate zone during the summer?

Correct AnswerverifiedA

List the biome distribution starting at the northern most latitude and moving south.

Correct Answerverifiedtundra - coniferous forest - temperate d...View AnswerShow Answer

The sunlit portion of a lake where rooted plants are not found is the

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 does NOT characterize tundra?

Correct AnswerverifiedShow Answer

Ocean currents

Correct AnswerverifiedShow Answer

Identify the winter solstice,summer solstice,vernal equinox,and autumnal equinox in the picture.Briefly describe the position of the Earth in relation to the sun and the time of year each event occurs. A. B. C. D.

Correct Answer
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A.Winter solstice: At the time of the wi...
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The "nurse...
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A

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tundra - coniferous forest - temperate d...
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