Question 1

The richest marine ecosystems are those in the open water where large fish abound.

Accepted Answer

A) True 
 B)False

Question 2

When a rabbit eats a bean plant a portion of the available energy moves into the rabbit's body.When the rabbit is eaten by a hawk a portion of the available energy moves into the hawk's body.Indicate the various areas that energy is used by an organism and why only 10% of the rabbit's available energy will move to the hawk.

Accepted Answer

When an organism consumes energy only 10...

Question 3

Cultural eutrophication can be caused by

Accepted Answer

A)  respiration and transpiration.
B)  mercury from industrial sources.
C)  bacteria and viruses from sewage and barnyard waste.
D)  detergents,fertilizers,and sewage treatment plants.
E)  biological magnification.F) None of the above
G) C) and D)

Question 4

Almost 100% of the energy taken in by plants from the sun is available to an ecosystem.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following is on the same trophic level as a rabbit?

Accepted Answer

A)  deer
B)  snake
C)  fox
D)  hawk
E)  beetleF) A) and D)
G) C) and D)

Question 6

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

Accepted Answer

Human activities remove chemi...

Question 7

There are no reservoirs of carbon for the carbon cycle.

Accepted Answer

A) True 
 B)False

Question 8

From the North Pole south,what is the first type of ecosystem encountered?

Accepted Answer

A)  coniferous forests
B)  prairies
C)  temperate forests
D)  taiga
E)  tundraF) A) and B)
G) All of the above

Question 9

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 C)
G) C) and D)

Question 10

Life on Earth is dependent on a continued input of energy from the sun.

Accepted Answer

A) True 
 B)False

Question 11

What two characteristics define a biome?

Accepted Answer

A)  temperature and the types of plants found there
B)  amount of precipitation and the types of plants found there
C)  temperature and rainfall
D)  latitude and rainfall
E)  altitude and temperatureF) C) and E)
G) A) and D)

Question 12

What is another name for autotrophs?

Accepted Answer

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

Question 13

How much of the food energy taken in by an herbivore is passed on to a carnivore?

Accepted Answer

A)  1%
B)  5%
C)  10%
D)  50%
E)  90%F) A) and C)
G) A) and B)

Question 14

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) C) and D)
G) B) and E)

Question 15

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) All of the above
G) B) and C)

Question 16

What is another name for the taiga?

Accepted Answer

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

Question 17

What do autotrophs require in order to produce food for themselves and all the heterotrophs?

Accepted Answer

A)  sunlight,inorganic nutrients
B)  sunlight,organic nutrients
C)  an energy source,water
D)  an energy source,inorganic nutrients
E)  heat,waterF) B) and D)
G) A) and D)

Question 18

If the first-level carnivores consumes 500 kg of energy from herbivore tissue,how much is available to the second-level carnivores?

Accepted Answer

A)  500 kg
B)  100 kg
C)  50 kg
D)  10 kg
E)  5 kgF) All of the above
G) A) and C)

Question 19

What does the word "trophic" mean?

Accepted Answer

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

Question 20

What is at the beginning of a grazing food chain?

Accepted Answer

A)  detritus
B)  earthworms
C)  beetles
D)  shrews
E)  leavesF) None of the above
G) All of the above

Exam 24: Global Ecology and Human Interferences

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

Correct Answer
verified

What is at the beginning of a grazing food chain?

Correct Answer
verified

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

Correct Answer
verified
Human activities remove chemi...
View Answer

What two characteristics define a biome?

Correct Answer
verified

What is another name for the taiga?

Correct Answer
verified

What is another name for autotrophs?

Correct Answer
verified

Almost 100% of the energy taken in by plants from the sun is available to an ecosystem.

Correct Answer
verified

What do autotrophs require in order to produce food for themselves and all the heterotrophs?

Correct Answer
verified

Cultural eutrophication can be caused by

Correct Answer
verified

How much of the food energy taken in by an herbivore is passed on to a carnivore?

Correct Answer
verified

Correct Answer
verified
When an organism consumes energy only 10...
View Answer

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

Correct Answer
verified

What is involved in the process of denitrification?

Correct Answer
verified

The richest marine ecosystems are those in the open water where large fish abound.

Correct Answer
verified

What does the word "trophic" mean?

Correct Answer
verified

If the first-level carnivores consumes 500 kg of energy from herbivore tissue,how much is available to the second-level carnivores?

Correct Answer
verified

Which of the following is on the same trophic level as a rabbit?

Correct Answer
verified

There are no reservoirs of carbon for the carbon cycle.

Correct Answer
verified

Life on Earth is dependent on a continued input of energy from the sun.

Correct Answer
verified

From the North Pole south,what is the first type of ecosystem encountered?

Correct Answer
verified

Exam 24: Global Ecology and Human Interferences

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

Correct AnswerverifiedShow Answer

What is at the beginning of a grazing food chain?

Correct AnswerverifiedShow Answer

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

Correct Answerverified Human activities remove chemi...View AnswerShow Answer

What two characteristics define a biome?

Correct AnswerverifiedShow Answer

What is another name for the taiga?

Correct AnswerverifiedShow Answer

What is another name for autotrophs?

Correct AnswerverifiedShow Answer

Almost 100% of the energy taken in by plants from the sun is available to an ecosystem.

Correct AnswerverifiedShow Answer

What do autotrophs require in order to produce food for themselves and all the heterotrophs?

Correct AnswerverifiedShow Answer

Cultural eutrophication can be caused by

Correct AnswerverifiedShow Answer

How much of the food energy taken in by an herbivore is passed on to a carnivore?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedWhen an organism consumes energy only 10...View AnswerShow 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 involved in the process of denitrification?

Correct AnswerverifiedShow Answer

The richest marine ecosystems are those in the open water where large fish abound.

Correct AnswerverifiedShow Answer

What does the word "trophic" mean?

Correct AnswerverifiedShow Answer

If the first-level carnivores consumes 500 kg of energy from herbivore tissue,how much is available to the second-level carnivores?

Correct AnswerverifiedShow Answer

Which of the following is on the same trophic level as a rabbit?

Correct AnswerverifiedShow Answer

There are no reservoirs of carbon for the carbon cycle.

Correct AnswerverifiedShow Answer

Life on Earth is dependent on a continued input of energy from the sun.

Correct AnswerverifiedShow Answer

From the North Pole south,what is the first type of ecosystem encountered?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Human activities remove chemi...
View 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
When an organism consumes energy only 10...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
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Correct Answer
verified

Correct Answer
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