Question 1

Carbon dioxide is the most abundant greenhouse gas in the atmosphere. What is its current concentration?

Accepted Answer

A)   1.5 ppm
B)   1.75 ppm
C)   385 ppm
D)   560 ppm
E)   700 ppmF) C) and D)
G) A) and D)

Question 2

Rain shadows are found on the windward sides of mountains.

Accepted Answer

A) True 
 B)False

Question 3

The study of species interactions includes

Accepted Answer

A)   predation.
B)   parasitism.
C)   competition.
D)   all of the choices.E) B) and C)
F) B) and D)

Question 4

The distribution of biomes is primarily determined by weather/wind cycles due to latitudinal gradients in

Accepted Answer

A)   temperature.
B)   elevation.
C)   rivers.
D)   biodiversity.
E)   rainfall.F) A) and E)
G) B) and C)

Question 5

The deflection by the earth's rotation of atmospheric flow to the right in the Northern Hemisphere, and to the left in the Southern Hemisphere, is known as the

Accepted Answer

A)   Hadley effect.
B)   Gulf Stream.
C)   Coriolis effect.
D)   intertropical convergence zone.
E)   solar radiation effect.F) A) and C)
G) C) and D)

Question 6

Lakes with elevated dissolved nutrients and low water clarity are called ____.

Accepted Answer

A)   lotic
B)   oligotrophic
C)   eutrophic
D)   adibiatic
E)   headwatersF) A) and B)
G) C) and E)

Question 7

The Panamanian golden frog is in decline from what specific threat?

Accepted Answer

A)   a virus
B)   a fungus
C)   an introduced competitor
D)   a new road
E)   overharvestingF) C) and E)
G) A) and C)

Question 8

Saltwater fishes are hypoosmotic.

Accepted Answer

A) True 
 B)False

Question 9

The photic zone in aquatic environments is typically about how deep?

Accepted Answer

A)   10 m
B)   50 m
C)   100 m
D)   500 m
E)   1000 mF) A) and D)
G) B) and D)

Question 10

A common adaptation of coastal plants that grow on sand dunes is

Accepted Answer

A)   deep roots to extract moisture.
B)   broad leaves for enhanced photosynthesis.
C)   secretion of proteinaceous threads.
D)   increased transpiration of water.
E)   elevated growth rates.F) None of the above
G) A) and B)

Exam 54: An Introduction to Ecology and Biomes

The deflection by the earth's rotation of atmospheric flow to the right in the Northern Hemisphere, and to the left in the Southern Hemisphere, is known as the

Correct Answer
verified

Carbon dioxide is the most abundant greenhouse gas in the atmosphere. What is its current concentration?

Correct Answer
verified

Lakes with elevated dissolved nutrients and low water clarity are called ____.

Correct Answer
verified

The distribution of biomes is primarily determined by weather/wind cycles due to latitudinal gradients in

Correct Answer
verified

The Panamanian golden frog is in decline from what specific threat?

Correct Answer
verified

A common adaptation of coastal plants that grow on sand dunes is

Correct Answer
verified

Rain shadows are found on the windward sides of mountains.

Correct Answer
verified

The photic zone in aquatic environments is typically about how deep?

Correct Answer
verified

The study of species interactions includes

Correct Answer
verified

Saltwater fishes are hypoosmotic.

Correct Answer
verified

Exam 54: An Introduction to Ecology and Biomes

The deflection by the earth's rotation of atmospheric flow to the right in the Northern Hemisphere, and to the left in the Southern Hemisphere, is known as the

Correct AnswerverifiedShow Answer

Carbon dioxide is the most abundant greenhouse gas in the atmosphere. What is its current concentration?

Correct AnswerverifiedShow Answer

Lakes with elevated dissolved nutrients and low water clarity are called ____.

Correct AnswerverifiedShow Answer

The distribution of biomes is primarily determined by weather/wind cycles due to latitudinal gradients in

Correct AnswerverifiedShow Answer

The Panamanian golden frog is in decline from what specific threat?

Correct AnswerverifiedShow Answer

A common adaptation of coastal plants that grow on sand dunes is

Correct AnswerverifiedShow Answer

Rain shadows are found on the windward sides of mountains.

Correct AnswerverifiedShow Answer

The photic zone in aquatic environments is typically about how deep?

Correct AnswerverifiedShow Answer

The study of species interactions includes

Correct AnswerverifiedShow Answer

Saltwater fishes are hypoosmotic.

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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Correct Answer
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