Question 1

The lowest layer of the atmosphere,from sea level to about 7.4 miles,is the:

Accepted Answer

A) troposphere. 
B) stratosphere. 
C) ozone layer. 
D) ionosphere. 
A) troposphere. 
B) stratosphere. 
C) ozone layer. 
D) ionosphere.

Question 2

Many animal rights activists and "Hunger Watch" groups have claimed that if beef cattle and other sources of meat were eliminated,more people could be fed.What is the ecological theory behind the argument that humans should eat a greater proportion of their food "lower in the food chain"? Also speculate about a situation in which this principle may be less applicable.

Accepted Answer

Because available energy is significantl

Question 3

A carnivore,such as a lion,that mainly eats herbivores,such as zebras and wildebeests,would be placed at which trophic level?

Accepted Answer

As a secondary consu

Question 4

You are hiking with a friend and reach the peak of a mountain after a long climb.On your climb upward,you had a clear trail with a little grass and small shrubs along the way.But looking down the other side,you see lush vegetation and many broadleaf trees farther down the slope.Your friend wonders why there is such a big difference.What explanation can you offer your friend?

Accepted Answer

You're seeing a rain shadow ef

Question 5

The tropical savannahs of Africa are a type of tropical ________.

Accepted Answer

The answer of The tropical savannahs of Africa are a...

Question 6

Photosynthesis is the main process by which carbon dioxide moves from the atmosphere to biomass.

Accepted Answer

A) True 
 B)False

Question 7

Tundra is characterized by:

Accepted Answer

A) low rainfall, deep water penetration, and trees with a vibrant understory of moss. 
B) high rainfall, slowly growing trees, and low temperatures. 
C) low rainfall, coniferous trees, and permafrost. 
D) low rainfall, dry soils, and permafrost. 
E) low rainfall, seasonally wet soils, and permafrost. 
A) low rainfall, deep water penetration, and trees with a vibrant understory of moss. 
B) high rainfall, slowly growing trees, and low temperatures. 
C) low rainfall, coniferous trees, and permafrost. 
D) low rainfall, dry soils, and permafrost. 
E) low rainfall, seasonally wet soils, and permafrost.

Question 8

Tropical rainforests are known for having high biodiversity but relatively poor soil.

Accepted Answer

A) True 
 B)False

Question 9

Which aquatic ecosystem is characterized by ocean tides and river flow stirring up nutrients and producing abundant life?

Accepted Answer

A) the pelagic zone 
B) the intertidal zone 
C) estuaries 
D) coral reefs 
E) wetlands 
A) the pelagic zone 
B) the intertidal zone 
C) estuaries 
D) coral reefs 
E) wetlands

Question 10

Which of the following water uses is estimated to be the highest in human society?

Accepted Answer

A) households 
B) agriculture 
C) sewage systems 
D) industry 
A) households 
B) agriculture 
C) sewage systems 
D) industry

Question 11

Refer to the figure below, and then answer the question that follows.
  
-In this diagram,the blue heron is playing which role in the ecosystem when it eats the garter snake?

Accepted Answer

A) primary consumer and second trophic level 
B) secondary consumer and third trophic level 
C) tertiary consumer and third trophic level 
D) tertiary consumer and fourth trophic level 
A) primary consumer and second trophic level 
B) secondary consumer and third trophic level 
C) tertiary consumer and third trophic level 
D) tertiary consumer and fourth trophic level

Question 12

Human industry is responsible for more nitrogen fixation worldwide than soil bacteria.

Accepted Answer

A) True 
 B)False

Question 13

What role is a wolf playing when it eats a rabbit that eats grass on a prairie in Wisconsin?

Accepted Answer

A) producer 
B) primary consumer 
C) secondary consumer 
D) tertiary consumer 
E) detritivore 
A) producer 
B) primary consumer 
C) secondary consumer 
D) tertiary consumer 
E) detritivore

Question 14

An aquifer that may contribute some surface water is a/an ________ aquifer.

Accepted Answer

The answer of An aquifer that may contribute some surface...

Question 15

What major agricultural innovation in the early twentieth century allowed for production of far more food on arable land?

Accepted Answer

A) the discovery of crop rotation 
B) use of fish as fertilizer 
C) concentration of carbon fertilizer 
D) industrial nitrogen fixation 
E) genetically modified crops 
A) the discovery of crop rotation 
B) use of fish as fertilizer 
C) concentration of carbon fertilizer 
D) industrial nitrogen fixation 
E) genetically modified crops

Question 16

A dung beetle is an example of a:

Accepted Answer

A) producer. 
B) primary consumer. 
C) secondary consumer. 
D) tertiary consumer. 
E) detritivore. 
A) producer. 
B) primary consumer. 
C) secondary consumer. 
D) tertiary consumer. 
E) detritivore.

Question 17

Humans function primarily at which trophic levels?

Accepted Answer

A) producers; primary consumers 
B) all trophic levels 
C) secondary consumers; tertiary consumers 
D) primary consumers; secondary consumers 
A) producers; primary consumers 
B) all trophic levels 
C) secondary consumers; tertiary consumers 
D) primary consumers; secondary consumers

Question 18

Groundwater that is trapped between two layers of impermeable rock is called a/an:

Accepted Answer

A) confined well. 
B) confined aquifer. 
C) unconfined aquifer. 
D) unconfined well. 
A) confined well. 
B) confined aquifer. 
C) unconfined aquifer. 
D) unconfined well.

Question 19

At about 30 degrees north and south of the equator there are dry regions on Earth.Why?

Accepted Answer

A) Warm air rises and evaporates, leaving dry, cool air with no clouds. 
B) Cool air falls, is warmed, and absorbs moisture. 
C) Warm air falls and absorbs moisture as it cools near the surface. 
D) Cool air rises, and water condenses. 
E) Air flows laterally across the land from the temperate zone. 
A) Warm air rises and evaporates, leaving dry, cool air with no clouds. 
B) Cool air falls, is warmed, and absorbs moisture. 
C) Warm air falls and absorbs moisture as it cools near the surface. 
D) Cool air rises, and water condenses. 
E) Air flows laterally across the land from the temperate zone.

Question 20

Too much nutrient runoff,particularly from nitrogen fertilizers,can cause dead zones in bodies of water.

Accepted Answer

A) True 
 B)False

Exam 36: An Interactive Living World 3: Ecosystems and Biomes

The lowest layer of the atmosphere,from sea level to about 7.4 miles,is the:

A carnivore,such as a lion,that mainly eats herbivores,such as zebras and wildebeests,would be placed at which trophic level?

The tropical savannahs of Africa are a type of tropical ________.

Photosynthesis is the main process by which carbon dioxide moves from the atmosphere to biomass.

Tundra is characterized by:

Tropical rainforests are known for having high biodiversity but relatively poor soil.

Which aquatic ecosystem is characterized by ocean tides and river flow stirring up nutrients and producing abundant life?

Which of the following water uses is estimated to be the highest in human society?

Refer to the figure below, and then answer the question that follows. -In this diagram,the blue heron is playing which role in the ecosystem when it eats the garter snake?

Human industry is responsible for more nitrogen fixation worldwide than soil bacteria.

What role is a wolf playing when it eats a rabbit that eats grass on a prairie in Wisconsin?

An aquifer that may contribute some surface water is a/an ________ aquifer.

What major agricultural innovation in the early twentieth century allowed for production of far more food on arable land?

A dung beetle is an example of a:

Humans function primarily at which trophic levels?

Groundwater that is trapped between two layers of impermeable rock is called a/an:

At about 30 degrees north and south of the equator there are dry regions on Earth.Why?

Too much nutrient runoff,particularly from nitrogen fertilizers,can cause dead zones in bodies of water.

Science As a Way of Learning: a Guide to the Natural World

Fundamental Building Blocks: Chemistry, water, and Ph

Lifes Components: Biological Molecules

Lifes Home: the Cell

Lifes Border: the Plasma Membrane

Lifes Mainspring: an Introduction to Energy

Vital Harvest: Deriving Energy From Food

The Green Worlds Gift: Photosynthesis

The Links in Lifes Chain: Genetics and Cell Division

Preparing for Sexual Reproduction: Meiosis

The First Geneticist: Mendel and His Discoveries

Units of Heredity: Chromosomes and Inheritance

Passing on Lifes Information: Dna Structure and Replication

How Proteins Are Made: Genetic Transcription, translation, and Regulation

The Future Isnt What It Used to Be: Biotechnology

An Introduction to Evolution: Charles Darwin, evolutionary Thought, and the Evidence for Evolution

The Means of Evolution: Microevolution

The Outcomes of Evolution: Macroevolution

A Slow Unfolding: the History of Life on Earth

Arriving Late,traveling Far: the Evolution of Human Beings

Viruses,bacteria,archaea,and Protists: the Diversity of Life 1

Fungi: the Diversity of Life 2

Animals: the Diversity of Life 3

Plants: the Diversity of Life 4

The Angiosperms: Form and Function in Flowering Plants

Body Support and Movement: the Integumentary, skeletal, and Muscular Systems

Communication and Control 1: the Nervous System

Communication and Control 2: the Endocrine System

Defending the Body: the Immune System

Transport and Exchange 1: Blood and Breath

Transport and Exchange 2: Digestion, nutrition, and Elimination

An Amazingly Detailed Script: Animal Development

How the Baby Came to Be: Human Reproduction

An Interactive Living World 1: Populations in Ecology

An Interactive Living World 2: Communities in Ecology

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