Question 1

________consist of plants and animals-usually microscopic in size-that float about in the oceans, drifting with the currents and tides.

Accepted Answer

Plankton

Question 2

Net primary productivity is greatest in the oceans________ .

Accepted Answer

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

Question 3

Of the climatic factors, _______is usually the most limited in its impact on biotic distributions.

Accepted Answer

A)  wind 
B)  light 
C)  temperature 
D)  photoperiodism 
E)  moisture 
A)  wind 
B)  light 
C)  temperature 
D)  photoperiodism 
E)  moisture A

Question 4

The biogeochemical cycles are considered to have been in a planetwide steady- state condition for the_________ last billion years.

Accepted Answer

A)  one million 
B)  one billion 
C)  one trillion 
D)  ten 
E)  one thousand 
A)  one million 
B)  one billion 
C)  one trillion 
D)  ten 
E)  one thousand

Question 5

Which of the following terms is the LEAST specific?

Accepted Answer

A)  fauna 
B)  species 
C)  flora 
D)  benthos 
E)  biota 
A)  fauna 
B)  species 
C)  flora 
D)  benthos 
E)  biota

Question 6

Carbon is fixed in the biosphere through ________into carbohydrate compounds.

Accepted Answer

A)  photosynthesis 
B)  bacteria 
C)  transit 
D)  biomes 
E)  dentrification 
A)  photosynthesis 
B)  bacteria 
C)  transit 
D)  biomes 
E)  dentrification

Question 7

The conversion of recyclable components within the biosphere takes__________ place .

Accepted Answer

A)  sometimes in less than a decade 
B)  using energy 
C)  continually 
D)  sometimes over hundreds of millions of years 
E)  in all of the above ways 
A)  sometimes in less than a decade 
B)  using energy 
C)  continually 
D)  sometimes over hundreds of millions of years 
E)  in all of the above ways

Question 8

Earth has _______species of animals compared to the number of plant species.

Accepted Answer

A)  about 100 more 
B)  about 100 fewer 
C)  many more 
D)  many fewer 
E)  about the same number of 
A)  about 100 more 
B)  about 100 fewer 
C)  many more 
D)  many fewer 
E)  about the same number of

Question 9

The energy source for the biosphere is

Accepted Answer

A)  reflected energy from the moon. 
B)  radioactivity in rocks. 
C)  heat from volcanoes. 
D)  light from the Sun. 
E)  all of the above 
A)  reflected energy from the moon. 
B)  radioactivity in rocks. 
C)  heat from volcanoes. 
D)  light from the Sun. 
E)  all of the above

Question 10

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

Accepted Answer

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

Question 11

Amongst the biogeochemical cycles, which one can be said to operate rapidly?

Accepted Answer

A)  carbon dioxide 
B)  nitrogen 
C)  oxygen 
D)  rock 
E)  helium 
A)  carbon dioxide 
B)  nitrogen 
C)  oxygen 
D)  rock 
E)  helium

Question 12

How were the Yellowstone fires of 1988 eventually extinguished?

Accepted Answer

A)  The fire ran out of trees to burn. 
B)  The wind blew them out. 
C)  Thousands of park visitors fought the fire. 
D)  The park rangers put them out. 
E)  Rain put them out. 
A)  The fire ran out of trees to burn. 
B)  The wind blew them out. 
C)  Thousands of park visitors fought the fire. 
D)  The park rangers put them out. 
E)  Rain put them out.

Question 13

The________ cycle is one of Earth's biogeochemical cycles upon which humans have had a major impact.

Accepted Answer

The answer of The________ cycle is one of Earth's biogeochemical...

Question 14

Of the total solar energy reaching the Earth, _____percent is fixed by photosynthesis.

Accepted Answer

A)  10 
B)  5 
C)  40 
D)  1 
E)  <1 
A)  10 
B)  5 
C)  40 
D)  1 
E)  <1

Question 15

How do plants create carbohydrates?

Accepted Answer

By fixing solar energy into ch

Question 16

Why is the Linnaean system of limited interest to geographers?

Accepted Answer

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

Question 17

A(n) _____is another term for a consumer.

Accepted Answer

A)  producer 
B)  heterotroph 
C)  photosynthetic plant 
D)  autotroph 
E)  bryophyte 
A)  producer 
B)  heterotroph 
C)  photosynthetic plant 
D)  autotroph 
E)  bryophyte

Question 18

The effect of winds on life is

Accepted Answer

A)  mostly negative. 
B)  almost always positive. 
C)  mostly positive. 
D)  a mix of positive and negative. 
E)  almost always negative. 
A)  mostly negative. 
B)  almost always positive. 
C)  mostly positive. 
D)  a mix of positive and negative. 
E)  almost always negative.

Question 19

Most atmospheric free nitrogen is cycled to Earth by means of _____ .

Accepted Answer

A)  rain 
B)  assimilation 
C)  weathering 
D)  mining 
E)  none of the above 
A)  rain 
B)  assimilation 
C)  weathering 
D)  mining 
E)  none of the above

Question 20

Which of the following is one of the key environmental constraints on biota?

Accepted Answer

A)  temperature 
B)  light 
C)  soil 
D)  moisture 
E)  all of the above 
A)  temperature 
B)  light 
C)  soil 
D)  moisture 
E)  all of the above

________consist of plants and animals-usually microscopic in size-that float about in the oceans, drifting with the currents and tides.

Net primary productivity is greatest in the oceans________ .

Of the climatic factors, _______is usually the most limited in its impact on biotic distributions.

The biogeochemical cycles are considered to have been in a planetwide steady- state condition for the_________ last billion years.

Which of the following terms is the LEAST specific?

Carbon is fixed in the biosphere through ________into carbohydrate compounds.

The conversion of recyclable components within the biosphere takes__________ place .

Earth has _______species of animals compared to the number of plant species.

The energy source for the biosphere is

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

Amongst the biogeochemical cycles, which one can be said to operate rapidly?

How were the Yellowstone fires of 1988 eventually extinguished?

The________ cycle is one of Earth's biogeochemical cycles upon which humans have had a major impact.

Of the total solar energy reaching the Earth, _____percent is fixed by photosynthesis.

How do plants create carbohydrates?

Why is the Linnaean system of limited interest to geographers?

A(n) _____is another term for a consumer.

The effect of winds on life is

Most atmospheric free nitrogen is cycled to Earth by means of _____ .

Which of the following is one of the key environmental constraints on biota?

Introduction to Earth

Portraying Earth

Introduction to the Atmosphere

Insolation and Temperature

Atmospheric Pressure and Wind

Atmospheric Moisture

Transient Atmospheric Flows and Disturbances

Climatic Zones and Types

The Hydrosphere

Terrestrial Flora and Fauna

Soils

Introduction to Landform Study

The Internal Processes

Weathering and Mass Wasting

The Fluvial Processes

Solution Processes and Karst Topography

The Topography of Arid Lands

Glacial Modification of Terrain

Coastal Processes and Terrain

Filters

Exam 10: Cycles and Patterns in the Biosphere

________consist of plants and animals-usually microscopic in size-that float about in the oceans, drifting with the currents and tides.

Net primary productivity is greatest in the oceans________ .

Of the climatic factors, _______is usually the most limited in its impact on biotic distributions.

The biogeochemical cycles are considered to have been in a planetwide steady- state condition for the_________ last billion years.

Which of the following terms is the LEAST specific?

Carbon is fixed in the biosphere through ________into carbohydrate compounds.

The conversion of recyclable components within the biosphere takes__________ place .

Earth has _______species of animals compared to the number of plant species.

The energy source for the biosphere is

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

Amongst the biogeochemical cycles, which one can be said to operate rapidly?

How were the Yellowstone fires of 1988 eventually extinguished?

The________ cycle is one of Earth's biogeochemical cycles upon which humans have had a major impact.

Of the total solar energy reaching the Earth, _____percent is fixed by photosynthesis.

How do plants create carbohydrates?

Why is the Linnaean system of limited interest to geographers?

A(n) _____is another term for a consumer.

The effect of winds on life is

Most atmospheric free nitrogen is cycled to Earth by means of _____ .

Which of the following is one of the key environmental constraints on biota?

Introduction to Earth

Portraying Earth

Introduction to the Atmosphere

Insolation and Temperature

Atmospheric Pressure and Wind

Atmospheric Moisture

Transient Atmospheric Flows and Disturbances

Climatic Zones and Types

The Hydrosphere

Terrestrial Flora and Fauna

Soils

Introduction to Landform Study

The Internal Processes

Weathering and Mass Wasting

The Fluvial Processes

Solution Processes and Karst Topography

The Topography of Arid Lands

Glacial Modification of Terrain

Coastal Processes and Terrain

Filters