Question 1

One concern with global sea temperatures increasing is the "bleaching" of corals.What did the scientists propose happens to coral when it bleaches?

Accepted Answer

A)  The coral dies
B)  The coral loses its ability to perform photosynthesis
C)  The coral becomes dormant until the water temperatures drop again
D)  The coral releases its symbiotic photosynthetic algae
E)  The photosynthetic algae in the coral grow more rapidlyF) A) and C)
G) D) and E)

Question 2

Which two parameters most influence the location of biomes?

Accepted Answer

A)  Altitude and Latitude
B)  Latitude and Temperature
C)  Temperature and Precipitation
D)  Precipitation and Altitude
E)  Precipitation and LatitudeF) B) and D)
G) A) and E)

Question 3

A coral is ____________.

Accepted Answer

A)  A plant called a cnidarian
B)  An animal called a cnidarian
C)  An animal called a sponge
D)  A plant called a sponge
E)  AbioticF) All of the above
G) B) and E)

Question 4

The area where the fresh water of a river meets the salty ocean is a(an) :

Accepted Answer

A)  Intertidal zone
B)  Continental shelf
C)  Pelagic zone
D)  Benthic zone
E)  EstuaryF) C) and E)
G) A) and B)

Question 5

Most of Earth's fresh water is found in lakes,ponds,and streams.

Accepted Answer

A) True 
 B)False

Question 6

If global temperatures increase,which biome will the BWCA turn into?

Accepted Answer

A)  Tropical rainforest
B)  Deciduous forest
C)  Boreal forest
D)  Short grass prairie
E)  TundraF) C) and D)
G) B) and C)

Question 7

What types of plants would you expect to find in an alpine tundra?

Accepted Answer

A)  Tall trees
B)  Aquatic plants
C)  Lichens and mosses
D)  Tall grasses
E)  CactusF) A) and D)
G) D) and E)

Question 8

Coral and algae are an example of _____.

Accepted Answer

A)  Mutualism
B)  Commensalism
C)  Parasitism
D)  Predation
E)  CompetitionF) A) and D)
G) None of the above

Question 9

Why do fish kills occur more often in eutrophic lakes?

Accepted Answer

A)  Nutrients spark an algal bloom and as the algae decay the oxygen is used up
B)  Nutrients spark and algal bloom, and the algae produce toxic amounts of oxygen
C)  A lack of nutrients prevents enough algae from growing and the fish starve
D)  A lack of nutrients prevents enough algae from growing and not enough oxygen is produced
E)  Too many nutrients are toxic to the fish by harming their gillsF) A) and B)
G) All of the above

Question 10

A lake is usually ___________________ and ______________________ than a pond.

Accepted Answer

A)  Larger, deeper
B)  Smaller, shallower
C)  Smaller, deeper
D)  Saltier, warmer
E)  Larger, shallowerF) A) and D)
G) B) and C)

Question 11

The taiga:

Accepted Answer

A)  Consists of mostly coniferous trees
B)  Has nutrient rich soil
C)  Has a long growing season
D)  Is warm and dry
E)  Consists of mosses and lichensF) A) and E)
G) A) and D)

Question 12

Small plants that grow on the bark or leaves of another plant are called:

Accepted Answer

A)  Epiphytes
B)  Endophytes
C)  Parasites
D)  Lianas
E)  All are correctF) A) and B)
G) A) and C)

Question 13

The area of an ocean consisting of all the water above the ocean floor is the:

Accepted Answer

A)  Benthic zone
B)  Intertidal zone
C)  Pelagic zone
D)  Neritic zone
E)  Littoral zoneF) A) and E)
G) A) and C)

Question 14

The usual yearly rainfall for a biome to be classified a desert is:

Accepted Answer

A)  15 to 20 inches per year
B)  25 to 30 inches per year
C)  Less than 8 inches per year
D)  12 to 15 inches per year
E)  8 to 12 inches per yearF) A) and C)
G) B) and E)

Question 15

The deepest region of water in a lake where light does not penetrate is the benthic zone.

Accepted Answer

A) True 
 B)False

Question 16

The "rain shadow" of a mountain is found on the leeward side of the mountain.

Accepted Answer

A) True 
 B)False

Question 17

Scientists have reported that hurricane intensity has increased over the past 35 years,coinciding with increasing sea temperature.At the equator,the Earth receives the:

Accepted Answer

A)  Maximum amount of solar radiation per unit area
B)  Minimum amount of solar radiation per unit area
C)  Maximum amount of solar radiation only over the ocean
D)  Maximum amount of solar radiation only over the land massE) A) and D)
F) B) and C)

Question 18

Tropical rain forest soils are usually:

Accepted Answer

A)  Nutrient rich
B)  High in organic matter
C)  Nutrient poor and high in organic matter
D)  Nutrient rich and high in organic matter
E)  Nutrient poorF) A) and B)
G) D) and E)

Question 19

Streams include brooks,creeks,and rivers that carry water and sediment toward the ocean or an interior basin.

Accepted Answer

A) True 
 B)False

Question 20

An edge beyond which trees will not grow may be caused by altitude,lack of moisture,and salt spray.

Accepted Answer

A) True 
 B)False

Exam 38: The Biosphere

The deepest region of water in a lake where light does not penetrate is the benthic zone.

Correct AnswerverifiedShow Answer

Why do fish kills occur more often in eutrophic lakes?

Correct AnswerverifiedShow Answer

One concern with global sea temperatures increasing is the "bleaching" of corals.What did the scientists propose happens to coral when it bleaches?

Correct AnswerverifiedShow Answer

A lake is usually ___________________ and ______________________ than a pond.

Correct AnswerverifiedShow Answer

Small plants that grow on the bark or leaves of another plant are called:

Correct AnswerverifiedShow Answer

The "rain shadow" of a mountain is found on the leeward side of the mountain.

Correct AnswerverifiedShow Answer

If global temperatures increase,which biome will the BWCA turn into?

Correct AnswerverifiedShow Answer

Most of Earth's fresh water is found in lakes,ponds,and streams.

Correct AnswerverifiedShow Answer

Scientists have reported that hurricane intensity has increased over the past 35 years,coinciding with increasing sea temperature.At the equator,the Earth receives the:

Correct AnswerverifiedShow Answer

The usual yearly rainfall for a biome to be classified a desert is:

Correct AnswerverifiedShow Answer

The area where the fresh water of a river meets the salty ocean is a(an) :

Correct AnswerverifiedShow Answer

Streams include brooks,creeks,and rivers that carry water and sediment toward the ocean or an interior basin.

Correct AnswerverifiedShow Answer

Which two parameters most influence the location of biomes?

Correct AnswerverifiedShow Answer

Tropical rain forest soils are usually:

Correct AnswerverifiedShow Answer

What types of plants would you expect to find in an alpine tundra?

Correct AnswerverifiedShow Answer

An edge beyond which trees will not grow may be caused by altitude,lack of moisture,and salt spray.

Correct AnswerverifiedShow Answer

The area of an ocean consisting of all the water above the ocean floor is the:

Correct AnswerverifiedShow Answer

The taiga:

Correct AnswerverifiedShow Answer

Coral and algae are an example of _____.

Correct AnswerverifiedShow Answer

A coral is ____________.

Correct AnswerverifiedShow Answer

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A lake is usually _ and ____ than a pond.

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