Question 1

Fires are necessary to recycle ________.

Accepted Answer

A)  water 
B)  oxygen 
C)  rocks 
D)  energy 
E)  nutrients

Question 2

This entity has the greatest percentage of its mass as water.

Accepted Answer

A)  humans 
B)  tomatoes 
C)  rock 
D)  soil 
E)  earthworm

Question 3

In terms of broad distribution patterns, ________ and ________ have a particularly close correlation.

Accepted Answer

A)  soil, climate 
B)  soil, vegetation 
C)  climate, vegetation 
D)  wildfire, soil 
E)  fur-bearing animals, climate

Question 4

Why is the Linnaean system of limited use to geographers?

Accepted Answer

A)  too simple 
B)  not in English 
C)  not logical 
D)  not based on distributions 
E)  too difficult

Question 5

A(n) ________ is another way in which a food chain can be conceptualized.

Accepted Answer

A)  sedimentary cycle 
B)  open system 
C)  food pyramid 
D)  final link at the apex 
E)  way of gaining energy at every step

Question 6

________ is (are) a common feature of the hydrology of tropical rainforests.

Accepted Answer

A)  Swamps 
B)  Lakes 
C)  Streams running part of the year 
D)  Few streams 
E)  Water in life rather than in streams

Question 7

Net primary productivity is greatest in the oceans ________.

Accepted Answer

A)  where nutrients are greatest 
B)  in the tropics 
C)  in the middle latitudes 
D)  in the polar latitudes 
E)  where nutrients are least

Question 8

Approximately how many species of plants are in existence?

Accepted Answer

A)  1,500 
B)  6,000 
C)  150,000 
D)  600,000 
E)  6,000,000

Question 9

Of the biogeochemical cycles which have been interfered with by the actions of humans, which is thought to be likely to have the most planetwide effects on the biosphere?

Accepted Answer

A)  oxygen 
B)  nitrogen 
C)  carbon 
D)  water 
E)  copper

Question 10

Which of the following does not refer to life in the oceans?

Accepted Answer

A)  vadose 
B)  plankton 
C)  nekton 
D)  benthos 
E)  food chain

Question 11

Green plants respire carbon dioxide to the atmosphere.

Accepted Answer

A) True 
 B)False

Question 12

The most dramatic mass extinction on Earth took place 65 million years ago.

Accepted Answer

A) True 
 B)False

Question 13

Most carbon in Earth's crust has already been released to the atmosphere.

Accepted Answer

A) True 
 B)False

Question 14

________ refers to the conversion of nitrates into free nitrogen.

Accepted Answer

The answer of ________ refers to the conversion of nitrates...

Question 15

Action by microorganisms creates fixed nitrogen.

Accepted Answer

A) True 
 B)False

Question 16

Explain the operation of the oxygen cycle on Earth. Include its pathways through the various spheres of the environment.

Accepted Answer

The answer of Explain the operation of the oxygen cycle...

Question 17

Linnaeus was the author of the most widely used biological taxonomy.

Accepted Answer

A) True 
 B)False

Question 18

In the selva, the vegetation is ________.

Accepted Answer

A)  resistant to long droughts 
B)  dominated by broadleaf evergreen trees 
C)  seemingly unrelated to the environmental "spheres" 
D)  short tundra grasses 
E)  usually damaged by nasty monkeys

Question 19

Explain how a geographer's approach to the study of organisms differs from a biologist's study of organisms.

Accepted Answer

The answer of Explain how a geographer's approach to the...

Question 20

Concerning oxygen, which of the following is FALSE?

Accepted Answer

A)  It was scarce in Earth's early atmosphere. 
B)  It helped produce the first life on Earth. 
C)  Most life cannot function without oxygen. 
D)  Most oxygen has a biological origin. 
E)  Photosynthesis produces oxygen.

Exam 10: Cycles and Patterns in the Biosphere

Fires are necessary to recycle ________.

This entity has the greatest percentage of its mass as water.

In terms of broad distribution patterns, and have a particularly close correlation.

Why is the Linnaean system of limited use to geographers?

A(n) ________ is another way in which a food chain can be conceptualized.

________ is (are) a common feature of the hydrology of tropical rainforests.

Net primary productivity is greatest in the oceans ________.

Approximately how many species of plants are in existence?

Of the biogeochemical cycles which have been interfered with by the actions of humans, which is thought to be likely to have the most planetwide effects on the biosphere?

Which of the following does not refer to life in the oceans?

Green plants respire carbon dioxide to the atmosphere.

The most dramatic mass extinction on Earth took place 65 million years ago.

Most carbon in Earth's crust has already been released to the atmosphere.

________ refers to the conversion of nitrates into free nitrogen.

Action by microorganisms creates fixed nitrogen.

Explain the operation of the oxygen cycle on Earth. Include its pathways through the various spheres of the environment.

Linnaeus was the author of the most widely used biological taxonomy.

In the selva, the vegetation is ________.

Explain how a geographer's approach to the study of organisms differs from a biologist's study of organisms.

Concerning oxygen, which of the following is FALSE?