Question 1

The bottom of a lake or stream harbors worms,clams,and other organisms in the

Accepted Answer

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

Question 2

Of all the aquatic communities,____ act as a nutrient trap.

Accepted Answer

A)  oceans
B)  lakes
C)  sandy beaches
D)  estuaries
E)  riversF) C) and E)
G) A) and B)

Question 3

Temperate deciduous forests are defined by

Accepted Answer

A)  a humid climate with seasonal droughts.
B)  high variation in day and night length.
C)  a high amount of organisms living in tree canopies.
D)  a growing season between 140 and 300 days.
E)  a rich topsoil horizon.F) B) and E)
G) B) and C)

Question 4

Which would be characterized by rich soils,insufficient rainfall for trees,and many herbivores?

Accepted Answer

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

Question 5

If the Earth was standing still (not rotating) ,wind directions would

Accepted Answer

A)  cease.
B)  all run north and south.
C)  all run east and west.
D)  remain the same since Earth's rotation does not affect wind directions.
E)  all run towards the equator.F) None of the above
G) B) and D)

Question 6

Treeless biomes are treeless primarily because

Accepted Answer

A)  of limited sunlight.
B)  there is a lack of water or the water is frozen.
C)  there is no source of seed dispersal in the region.
D)  trees are dependent upon the animals for support.
E)  trees cannot withstand hot temperatures or below-freezing cold.F) None of the above
G) All of the above

Question 7

The flat-topped acacia tree will be found in the ____ biome.

Accepted Answer

A)  desert
B)  tundra
C)  savanna grassland
D)  prairie grassland
E)  chaparralF) B) and D)
G) D) and E)

Question 8

Freshwater and marine microscopic organisms that freely drift in fresh or salt water are called

Accepted Answer

A)  plankton.
B)  benthic.
C)  abyssal.
D)  neritic.
E)  pelagic.F) C) and D)
G) A) and D)

Question 9

Which of the following is called the nursery of the sea?

Accepted Answer

A)  benthic zone
B)  pelagic region
C)  rocky seashore
D)  estuary
E)  abyssal zoneF) A) and D)
G) A) and C)

Question 10

What environmental factor makes it very difficult for organisms that live in estuaries?

Accepted Answer

A)  the movement of water as the river flows into the ocean
B)  the constant fluctuation in the salinity of the water as the salt water and fresh water mix
C)  the fluctuating nutrient levels as the river brings different levels of nutrients to the estuary
D)  the change in water levels as the tide ebbs and flows
E)  the change in the temperature of the water since the river water is colder than the oceanF) A) and C)
G) All of the above

Question 11

The open sunlit layer of the body of a lake is the

Accepted Answer

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

Question 12

As the latitude increases,which biome sequence would be present?

Accepted Answer

A)  tundra,coniferous forest,deciduous forest,tropical forest
B)  tundra,deciduous forest,coniferous forest,tropical forest
C)  tropical forest,deciduous forest,coniferous forest,tundra
D)  tropical forest,coniferous forest,deciduous forest,tundra
E)  tropical forest,deciduous forest,tundra,coniferous forestF) C) and E)
G) A) and B)

Question 13

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)  have no effect on inland weather.F) A) and E)
G) A) and D)

Question 14

The ocean region that contains the neritic province and the oceanic province is the

Accepted Answer

A)  littoral zone.
B)  benthic zone.
C)  pelagic zone.
D)  profundal zone.
E)  limnetic zone.F) A) and B)
G) None of the above

Question 15

Which biome has the greatest diversity of species and total amount of living matter?

Accepted Answer

A)  epipelagic region of the ocean
B)  temperate deciduous forest
C)  tropical rain forest
D)  taiga
E)  African savannaF) B) and D)
G) A) and B)

Question 16

How does temperature change in relation to the latitude?

Accepted Answer

A)  As latitude increases,moving away from the North Pole to the South Pole,the temperature increases.
B)  As latitude increases,moving away from the equator at the center of the Earth toward either the North Pole or the South Pole,the temperature decreases.
C)  As latitude increases,moving away from the equator at the center of the Earth toward either the North Pole or the South Pole,the temperature increases.
D)  As latitude increases,moving away from the equator at the center of the Earth toward either the North Pole or the South Pole,the temperature first increases until 60 °\degree° and then decreases at the pole.
E)  There is no relationship between temperature and latitude. F) B) and E)
G) A) and C)

Question 17

In the summer,a deep lake contains three layers: an upper ___,a middle ___,and a lower ___.

Accepted Answer

A)  epilimnion; thermocline; hypolimnion
B)  thermocline; hypolimnion; epilimnion
C)  hypolimnion; epilimnion; thermocline
D)  epilimnion; hypolimnion; thermocline
E)  thermocline; epilimnion; hypolimnionF) A) and E)
G) None of the above

Question 18

Which of the following does not affect the distribution of world biomes?

Accepted Answer

A)  altitude
B)  latitude
C)  rainfall patterns
D)  distribution of animals
E)  sunlightF) A) and D)
G) None of the above

Question 19

The largest communities on land are called

Accepted Answer

A)  biospheres.
B)  estuaries.
C)  tundras.
D)  taigas.
E)  biomes.F) None of the above
G) All of the above

Question 20

Which of the following statements is NOT true about biomes?

Accepted Answer

A)  They vary according to climate.
B)  They are communities of similar populations.
C)  They vary according to latitude and altitude.
D)  They are the smallest communities on land.
E)  They are characterized by particular animals and plants.F) B) and E)
G) B) and D)

Exam 36: The Biosphere

Which biome has the greatest diversity of species and total amount of living matter?

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If the Earth was standing still (not rotating) ,wind directions would

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As the latitude increases,which biome sequence would be present?

Correct AnswerverifiedShow Answer

The bottom of a lake or stream harbors worms,clams,and other organisms in the

Correct AnswerverifiedShow Answer

How does temperature change in relation to the latitude?

Correct AnswerverifiedShow Answer

Of all the aquatic communities,____ act as a nutrient trap.

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The flat-topped acacia tree will be found in the ____ biome.

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Ocean currents

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Freshwater and marine microscopic organisms that freely drift in fresh or salt water are called

Correct AnswerverifiedShow Answer

The ocean region that contains the neritic province and the oceanic province is the

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What environmental factor makes it very difficult for organisms that live in estuaries?

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Temperate deciduous forests are defined by

Correct AnswerverifiedShow Answer

Treeless biomes are treeless primarily because

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Which would be characterized by rich soils,insufficient rainfall for trees,and many herbivores?

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The open sunlit layer of the body of a lake is the

Correct AnswerverifiedShow Answer

In the summer,a deep lake contains three layers: an upper ___,a middle ___,and a lower ___.

Correct AnswerverifiedShow Answer

Which of the following does not affect the distribution of world biomes?

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Which of the following statements is NOT true about biomes?

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Which of the following is called the nursery of the sea?

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The largest communities on land are called

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In the summer,a deep lake contains three layers: an upper _,a middle _,and a lower ___.

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