Question 1

Net primary productivity of boreal forest is generally lower than in temperate deciduous forest.

Accepted Answer

A) True 
 B)False

Question 2

Coniferous forests are dominated by needle-leaf evergreen trees.

Accepted Answer

A) True 
 B)False

Question 3

Tropical ________ refers to vegetation in the drier tropics and subtropics that is dominated by a ground cover of grasses with scattered shrubs or trees.

Accepted Answer

The answer of Tropical ________ refers to vegetation in the...

Question 4

In what layer would one find salamanders in a deciduous forest?

Accepted Answer

A)  canopy
B)  shrub layer
C)  understory
D)  groundE) A) and C)
F) All of the above

Question 5

Grazing at moderate levels stimulates plant productivity in grassland systems.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following is a management technique to reduce the effects of logging?

Accepted Answer

A)  clear-cutting
B)  shelterwood
C)  top harvest
D)  controlled burnsE) A) and D)
F) B) and C)

Question 7

Deciduous leaves usually live for more than a single year or growing season.

Accepted Answer

A) True 
 B)False

Question 8

Savannas typically occur in

Accepted Answer

A)  cold areas with little rainfall in polar regions.
B)  cold areas with little rainfall at high altitudes in the tropics.
C)  very dry areas in the rain shadow of mountains of both temperate and tropical latitudes.
D)  warm areas with seasonal rainfall in the tropics.E) A) and C)
F) A) and B)

Question 9

The relationship between mean annual precipitation (MAP) and aboveground net primary productivity (ANPP) is ANPP = 0.50 × (MAP) + (70) in mm MAP and (g/m2/yr) for ANPP in grassland systems.If precipitation is currently 1000 mm and MAP increases by 25 percent,then ANPP will be approximately

Accepted Answer

A)  570.
B)  625.
C)  695.
D)  713.E) B) and C)
F) A) and D)

Question 10

The vegetation of tundra is dominated by

Accepted Answer

A)  broadleaf deciduous trees.
B)  short plants such as sedges,heaths,and willow.
C)  needle-leaf evergreen trees.
D)  sclerophyllous broadleaf evergreen shrubs.E) B) and C)
F) A) and D)

Question 11

In temperate deciduous forests,the greatest concentration and diversity of life occur in the canopy.

Accepted Answer

A) True 
 B)False

Question 12

There are consistent patterns in the distribution and abundance of dominant plant life-forms across the biosphere because these life-forms share ________ to the selection pressures of climate and the physical environment.

Accepted Answer

The answer of There are consistent patterns in the distribution...

Question 13

Native grasslands of North America,influenced by declining precipitation from east to west,consist of three main types distinguished by the ________ of the dominant species.

Accepted Answer

height

Question 14

The dominant vegetation types in temperate shrublands are

Accepted Answer

A)  pine trees.
B)  evergreen shrubs and sclerophyllous vegetation.
C)  dwarf willows and Atriplex.
D)  grasses and dwarf oak.E) A) and B)
F) A) and D)

Question 15

In the tropical latitudes,the length of the dry season increases with distance from the equator.

Accepted Answer

A) True 
 B)False

Question 16

Climate diagrams are valuable because they show

Accepted Answer

A)  seasonal variation in temperature and precipitation.
B)  abundance of dominant vegetation.
C)  diversity of plant species present.
D)  variation in carbon availability.E) A) and C)
F) None of the above A

Question 17

Which biome contains the largest tree species in the world?

Accepted Answer

A)  coniferous forest
B)  deciduous forest
C)  tropical forest
D)  arctic forestE) B) and C)
F) A) and B)

Question 18

Mediterranean climates are characterized by relatively dry summers and wet winters.

Accepted Answer

A) True 
 B)False  True

Question 19

Leaf characteristics are useful indicators of the trade-offs plants make to combat environmental constraints.

Accepted Answer

A) True 
 B)False

Question 20

Decomposition rates in the tropical rain forest are

Accepted Answer

A)  slow due to inhibition of decomposition by moisture.
B)  fast due to near optimal conditions for decomposers.
C)  fast due to highly fertile soils.
D)  slow due to stored soil organic matter pools from which plants draw nutrients.E) All of the above
F) C) and D)

Exam 23: Terrestrial Ecosystems

Net primary productivity of boreal forest is generally lower than in temperate deciduous forest.

Correct AnswerverifiedShow Answer

Coniferous forests are dominated by needle-leaf evergreen trees.

Correct AnswerverifiedShow Answer

Tropical ________ refers to vegetation in the drier tropics and subtropics that is dominated by a ground cover of grasses with scattered shrubs or trees.

Correct AnswerverifiedShow Answer

In what layer would one find salamanders in a deciduous forest?

Correct AnswerverifiedShow Answer

Grazing at moderate levels stimulates plant productivity in grassland systems.

Correct AnswerverifiedShow Answer

Which of the following is a management technique to reduce the effects of logging?

Correct AnswerverifiedShow Answer

Deciduous leaves usually live for more than a single year or growing season.

Correct AnswerverifiedShow Answer

Savannas typically occur in

Correct AnswerverifiedShow Answer

The relationship between mean annual precipitation (MAP) and aboveground net primary productivity (ANPP) is ANPP = 0.50 × (MAP) + (70) in mm MAP and (g/m2/yr) for ANPP in grassland systems.If precipitation is currently 1000 mm and MAP increases by 25 percent,then ANPP will be approximately

Correct AnswerverifiedShow Answer

The vegetation of tundra is dominated by

Correct AnswerverifiedShow Answer

In temperate deciduous forests,the greatest concentration and diversity of life occur in the canopy.

Correct AnswerverifiedShow Answer

There are consistent patterns in the distribution and abundance of dominant plant life-forms across the biosphere because these life-forms share ________ to the selection pressures of climate and the physical environment.

Correct AnswerverifiedShow Answer

Native grasslands of North America,influenced by declining precipitation from east to west,consist of three main types distinguished by the ________ of the dominant species.

Correct Answerverifiedheight

The dominant vegetation types in temperate shrublands are

Correct AnswerverifiedShow Answer

In the tropical latitudes,the length of the dry season increases with distance from the equator.

Correct AnswerverifiedShow Answer

Climate diagrams are valuable because they show

Correct AnswerverifiedA

Which biome contains the largest tree species in the world?

Correct AnswerverifiedShow Answer

Mediterranean climates are characterized by relatively dry summers and wet winters.

Correct AnswerverifiedTrue

Leaf characteristics are useful indicators of the trade-offs plants make to combat environmental constraints.

Correct AnswerverifiedShow Answer

Decomposition rates in the tropical rain forest are

Correct AnswerverifiedShow Answer

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height

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