Question 1

-What aquatic ecosystem phenomenon is illustrated in the diagram?

Accepted Answer

A)  Nutrient inputs from upstream and uphill
B)  Vertical stratification
C)  Nutrient cycling
D)  Internal convective currents
E)  Horizontal stratification

Question 2

Wetlands perform a major ecosystem service of trapping and filtering water as it passes through the wetland area.

Accepted Answer

A) True 
 B)False

Question 3

The biome type that has lost the greatest percentage of its original area due to human activities is the

Accepted Answer

A)  Temperate conifer forest
B)  Tropical rainforest
C)  Temperate deciduous forest
D)  Temperate grassland
E)  Tropical grassland

Question 4

Humid tropical forests have extraordinary biological diversity

Accepted Answer

A)  Because of the very fertile tropical soils
B)  Because rainfall dissolves soil nutrients and makes them available to plants
C)  Despite a complete absence of nutrients in the environment
D)  Despite the poor, weathered soils

Question 5

Arctic deserts and tundras are the least disturbed by humans since they are usually unattractive places for humans to live.

Accepted Answer

A) True 
 B)False

Question 6

Deciduous forests

Accepted Answer

A)  Are adapted to extremely cold climates
B)  Have trees that bear seeds in cones
C)  Have trees that shed their leaves seasonally
D)  Are not useful commercially

Question 7

The thermocline is the layer in a lake at which

Accepted Answer

A)  Pollutants are trapped and held
B)  Seasonal lake mixing occurs
C)  The warm upper zone meets the cold lower zone
D)  Nutrient levels are the lowest
E)  Light no longer penetrates enough for photosynthesis to occur

Question 8

Which of the following protects mainland shores from the force of waves?

Accepted Answer

A)  Wetlands
B)  Barrier islands
C)  Coral islands
D)  Estuaries
E)  Volcanic islands

Question 9

You are in an area that is relatively hot.You bend down and notice that there are tracks in the soil that are very old.Since you know that this area is easily destroyed by human activity and the harsh climate slows recovery from human damage, you conclude that this biome is

Accepted Answer

A)  A tropical dry forest
B)  A desert
C)  Tundra
D)  A grassland
E)  A wetland

Question 10

Tropical seasonal forests are specially adapted to tolerate

Accepted Answer

A)  Annual cycles of extreme heat and extreme cold
B)  Years of drought followed by years of rain
C)  Annual cycles of severe drought and heavy rain
D)  Extreme drought and cold at the same time
E)  Extreme heat

Question 11

If an organism is described as 'benthic," where does it reside?

Accepted Answer

A)  At the bottom of the ocean or a lake
B)  In a cave
C)  At the bottom of a lake only
D)  At the bottom of the ocean only

Question 12

-In the graph of precipitation and temperature, temperate forest biomes would fall in the area marked by the letter:

Accepted Answer

A)  A
B)  B
C)  C
D)  D
E)  E

Question 13

_________ is the basis of marine food webs.

Accepted Answer

A)  Coral
B)  Phytoplankton
C)  Minnows
D)  Sea grass

Question 14

Beginning in an equitorial tropical rainforest, you travel north to the arctic tundra.Name and desribe all of the terrestrial biomes you pass through on your journey.

Accepted Answer

The answer of Beginning in an equitorial tropical rainforest, you...

Question 15

Deserts are characterized by

Accepted Answer

A)  An absence of vegetation
B)  Sand dunes, which cause plants to grow only with difficulty
C)  Low levels of measurable precipitation
D)  Their location at 30 ∘\circ∘ latitude
E)  Sand or gravel

Question 16

What percentage of all wetlands has been lost to human disturbance?

Accepted Answer

A)  90%
B)  75%
C)  25%
D)  50%

Question 17

In what continent would you find a polar desert?

Accepted Answer

A)  Australia
B)  South America
C)  Antarctica
D)  Africa

Question 18

Location of specific biomes can be predicted based on:

Accepted Answer

A)  The coriolis effect
B)  The second law of thermodynamics
C)  Precipitation and temperature
D)  Seasonal variations in sunspots
E)  Large landforms in the area

Question 19

What marine ecosystem is most similar to a tropical rainforest in terms of diversity?

Accepted Answer

A)  Pelagic zone
B)  Coral reef
C)  Estuary
D)  Littoral zone

Question 20

-In the graph of precipitation and temperature, the area marked D has a

Accepted Answer

A)  Wide precipitation range and narrow temperature range
B)  Narrow precipitation and temperature range
C)  Wide precipitation and temperature range
D)  Wide temperature range and narrow precipitation range
E)  None of the choices is correct

Exam 5: Biomes

What percentage of all wetlands has been lost to human disturbance?

Correct AnswerverifiedShow Answer

Deserts are characterized by

Correct AnswerverifiedShow Answer

What marine ecosystem is most similar to a tropical rainforest in terms of diversity?

Correct AnswerverifiedShow Answer

Humid tropical forests have extraordinary biological diversity

Correct AnswerverifiedShow Answer

The thermocline is the layer in a lake at which

Correct AnswerverifiedShow Answer

Deciduous forests

Correct AnswerverifiedShow Answer

-In the graph of precipitation and temperature, the area marked D has a

Correct AnswerverifiedShow Answer

Beginning in an equitorial tropical rainforest, you travel north to the arctic tundra.Name and desribe all of the terrestrial biomes you pass through on your journey.

Correct AnswerverifiedShow Answer

Location of specific biomes can be predicted based on:

Correct AnswerverifiedShow Answer

-In the graph of precipitation and temperature, temperate forest biomes would fall in the area marked by the letter:

Correct AnswerverifiedShow Answer

You are in an area that is relatively hot.You bend down and notice that there are tracks in the soil that are very old.Since you know that this area is easily destroyed by human activity and the harsh climate slows recovery from human damage, you conclude that this biome is

Correct AnswerverifiedShow Answer

Wetlands perform a major ecosystem service of trapping and filtering water as it passes through the wetland area.

Correct AnswerverifiedShow Answer

In what continent would you find a polar desert?

Correct AnswerverifiedShow Answer

If an organism is described as 'benthic," where does it reside?

Correct AnswerverifiedShow Answer

The biome type that has lost the greatest percentage of its original area due to human activities is the

Correct AnswerverifiedShow Answer

Which of the following protects mainland shores from the force of waves?

Correct AnswerverifiedShow Answer

Arctic deserts and tundras are the least disturbed by humans since they are usually unattractive places for humans to live.

Correct AnswerverifiedShow Answer

_________ is the basis of marine food webs.

Correct AnswerverifiedShow Answer

Tropical seasonal forests are specially adapted to tolerate

Correct AnswerverifiedShow Answer

-What aquatic ecosystem phenomenon is illustrated in the diagram?

Correct AnswerverifiedShow Answer

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