Question 1

Biological magnification occurs as organisms get larger due to increased water, air, and soil pollution.

Accepted Answer

A) True 
 B)False

Question 2

Are humans capable of upsetting global biogeochemical cycles with their activities?

Accepted Answer

The answer of Are humans capable of upsetting global biogeochemical...

Question 3

A detrital food web and a grazing food web are separate because each starts at a different level.

Accepted Answer

A) True 
 B)False

Question 4

What is involved in the process of denitrification?

Accepted Answer

A)   conversion of nitrogen gas to ammonium
B)   conversion of nitrogen gas to nitrate
C)   conversion of ammonium to nitrate
D)   conversion of nitrite to nitrate
E)   conversion of nitrate to nitrogen gasF) D) and E)
G) B) and C)

Question 5

Which is the following functions of a herbivore provides energy that becomes available to the carnivore that eats the herbivore?

Accepted Answer

A)   excretion
B)   defecation
C)   growth and reproduction
D)   cellular respiration
E)   deathF) A) and B)
G) A) and C)

Question 6

What is another name for the taiga?

Accepted Answer

A)   savanna
B)   tropical rain forest
C)   prairie
D)   coniferous forest
E)   tundraF) A) and D)
G) C) and E)

Question 7

Which of the following is a legume involved in housing nitrogen-fixing bacteria?

Accepted Answer

A)   ferns
B)   oak trees
C)   grass
D)   beans
E)   rosesF) A) and C)
G) A) and D)

Question 8

What is another name for autotrophs?

Accepted Answer

A)   herbivores
B)   carnivores
C)   omnivores
D)   producers
E)   detritus feedersF) B) and E)
G) B) and D)

Question 9

What is the exchange pool for the carbon cycle?

Accepted Answer

A)   the ocean
B)   carbon dioxide in the atmosphere
C)   plants
D)   algae
E)   soilF) B) and D)
G) C) and D)

Question 10

What does the word "trophic" mean?

Accepted Answer

A)   energy
B)   niche
C)   web
D)   feeding
E)   biomassF) D) and E)
G) B) and D)

Question 11

What is the advantage of constructing an ecological pyramid based on biomass?

Accepted Answer

A)   Aquatic ecosystem pyramids actually look like pyramids.
B)   Size of the various organisms is eliminated as a factor.
C)   This includes the detrital food web as well as the grazing food web in one pyramid.
D)   This takes into account nutrient cycling as well as energy flow.
E)   This eliminates the need to include producers in the pyramid.F) B) and D)
G) A) and B)

Question 12

Which of the following is not an effect of global warming?

Accepted Answer

A)   rise in sea level
B)   expansion of forests in the temperate zones
C)   melting of glaciers
D)   wetter coastal regions
E)   flooding of coastal agricultural landF) B) and E)
G) A) and E)

Question 13

What is the primary source of carbon for aquatic algae?

Accepted Answer

A)   calcium carbonate
B)   calcium chloride
C)   bicarbonate
D)   carbon dioxide
E)   carbon monoxideF) None of the above
G) A) and B)

Question 14

Which of the following is not an abiotic component of an ecosystem?

Accepted Answer

A)   decomposers
B)   soil type
C)   amount of rainfall
D)   temperature
E)   amount of sunlightF) C) and D)
G) A) and B)

Question 15

There are no reservoirs of carbon for the carbon cycle.

Accepted Answer

A) True 
 B)False

Question 16

When energy flows from one trophic level to another only a small amount is actually used. Which of the following uses of energy by an organism allows for the least amount of transfer to a different trophic level?

Accepted Answer

A)   cellular respiration
B)   growth
C)   death
D)   excretion
E)   reproductionF) D) and E)
G) C) and E)

Question 17

All of the energy in an ecosystem eventually becomes

Accepted Answer

A)   sunlight.
B)   feces.
C)   heat.
D)   detritus.
E)   body mass.F) All of the above
G) A) and C)

Question 18

Decomposers perform a valuable service because they recycle nutrients.

Accepted Answer

A) True 
 B)False

Question 19

What is the loss of water from plants called?

Accepted Answer

A)   runoff
B)   precipitation
C)   evaporation
D)   transpiration
E)   transferenceF) D) and E)
G) A) and C)

Question 20

List and explain the six steps in the hydrological cycle.

Accepted Answer

Answer?:1. Evaporation occurs as the sun...

Exam 23: Global Ecology and Human Interferences

Biological magnification occurs as organisms get larger due to increased water, air, and soil pollution.

Correct AnswerverifiedShow Answer

When energy flows from one trophic level to another only a small amount is actually used. Which of the following uses of energy by an organism allows for the least amount of transfer to a different trophic level?

Correct AnswerverifiedShow Answer

Are humans capable of upsetting global biogeochemical cycles with their activities?

Correct AnswerverifiedShow Answer

All of the energy in an ecosystem eventually becomes

Correct AnswerverifiedShow Answer

What is the advantage of constructing an ecological pyramid based on biomass?

Correct AnswerverifiedShow Answer

A detrital food web and a grazing food web are separate because each starts at a different level.

Correct AnswerverifiedShow Answer

Which is the following functions of a herbivore provides energy that becomes available to the carnivore that eats the herbivore?

Correct AnswerverifiedShow Answer

What is the primary source of carbon for aquatic algae?

Correct AnswerverifiedShow Answer

Which of the following is a legume involved in housing nitrogen-fixing bacteria?

Correct AnswerverifiedShow Answer

What is the exchange pool for the carbon cycle?

Correct AnswerverifiedShow Answer

Which of the following is not an effect of global warming?

Correct AnswerverifiedShow Answer

Decomposers perform a valuable service because they recycle nutrients.

Correct AnswerverifiedShow Answer

Which of the following is not an abiotic component of an ecosystem?

Correct AnswerverifiedShow Answer

What does the word "trophic" mean?

Correct AnswerverifiedShow Answer

List and explain the six steps in the hydrological cycle.

Correct AnswerverifiedAnswer?:1. Evaporation occurs as the sun...View AnswerShow Answer

There are no reservoirs of carbon for the carbon cycle.

Correct AnswerverifiedShow Answer

What is involved in the process of denitrification?

Correct AnswerverifiedShow Answer

What is the loss of water from plants called?

Correct AnswerverifiedShow Answer

What is another name for autotrophs?

Correct AnswerverifiedShow Answer

What is another name for the taiga?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Answer?:1. Evaporation occurs as the sun...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified