Question 1

Bacteria,deer,humans,and spiders are all examples of ____________________.

Accepted Answer

The answer of Bacteria,deer,humans,and spiders are all examples of ____________________....

Question 2

EARTH LAYERS
  
-Which letter in the diagram corresponds to the lithosphere?

Accepted Answer

The answer of EARTH LAYERS
  
-Which letter in the...

Question 3

Which example is biodegradable?

Accepted Answer

A)  Something that can be broken down by autotrophs. 
B)  Something that cannot be broken down by any living processes. 
C)  Something that can be broken down by heterotrophs. 
D)  Something that can be broken down by decomposers. 
A)  Something that can be broken down by autotrophs. 
B)  Something that cannot be broken down by any living processes. 
C)  Something that can be broken down by heterotrophs. 
D)  Something that can be broken down by decomposers.

Question 4

All of the brown tree frogs and green tree frogs living in the same area would be part of the same population.

Accepted Answer

A) True 
 B)False

Question 5

Which soil textures have moderate physical and chemical properties?

Accepted Answer

A)  clay and loam 
B)  sand and loam 
C)  silt and loam 
D)  clay and silt 
A)  clay and loam 
B)  sand and loam 
C)  silt and loam 
D)  clay and silt

Question 6

Without the natural greenhouse effect,the Earth would be too cold for life,as we know it,to exist.

Accepted Answer

A) True 
 B)False

Question 7

Which cycle is NOT an example of a general nutrient cycle?

Accepted Answer

A)  nucleic acid cycle 
B)  carbohydrate cycle 
C)  hydrologic cycle 
D)  protein cycle 
A)  nucleic acid cycle 
B)  carbohydrate cycle 
C)  hydrologic cycle 
D)  protein cycle

Question 8

What is nitrogen a major component of?

Accepted Answer

A)  monosaccharides 
B)  nucleic acids 
C)  carbon dioxide 
D)  groundwater 
A)  monosaccharides 
B)  nucleic acids 
C)  carbon dioxide 
D)  groundwater

Question 9

What does life on Earth depend on in addition to the interaction of gravity?

Accepted Answer

A)  one-way flow of energy 
B)  one-way flow of matter 
C)  the destruction of matter 
D)  cycling of energy 
A)  one-way flow of energy 
B)  one-way flow of matter 
C)  the destruction of matter 
D)  cycling of energy

Question 10

Which forms of life are connected by the Earth's chemical cycles?

Accepted Answer

A)  present, past, and future forms of life 
B)  past forms of life 
C)  future forms of life 
D)  present forms of life 
A)  present, past, and future forms of life 
B)  past forms of life 
C)  future forms of life 
D)  present forms of life

Question 11

EARTH LAYERS
  
-Which letter in the diagram corresponds to the layer that is comprised of water,ice,and water vapour?

Accepted Answer

The answer of EARTH LAYERS
  
-Which letter in the...

Question 12

Which process is involved in making wine?

Accepted Answer

A)  aerobic respiration 
B)  anaerobic respiration 
C)  chemosynthesis 
D)  photosynthesis 
A)  aerobic respiration 
B)  anaerobic respiration 
C)  chemosynthesis 
D)  photosynthesis

Question 13

What is the common name of the A soil horizon?

Accepted Answer

A)  parent rock 
B)  subsoil 
C)  topsoil 
D)  surface litter 
A)  parent rock 
B)  subsoil 
C)  topsoil 
D)  surface litter

Question 14

Biomes include both terrestrial and aquatic portions of the biosphere.

Accepted Answer

A) True 
 B)False

Question 15

Which statement most characterizes laboratory research?

Accepted Answer

A)  It is slower than similar field research. 
B)  It is more expensive than similar field research. 
C)  It allows measurement of model ecosystems and populations under controlled conditions. 
D)  It has been used to develop most of our knowledge about ecosystems. 
A)  It is slower than similar field research. 
B)  It is more expensive than similar field research. 
C)  It allows measurement of model ecosystems and populations under controlled conditions. 
D)  It has been used to develop most of our knowledge about ecosystems.

Question 16

Through which process is nitrate converted to nitrogen gas?

Accepted Answer

A)  assimilation 
B)  denitrification 
C)  nitrification 
D)  nitrogen fixation 
A)  assimilation 
B)  denitrification 
C)  nitrification 
D)  nitrogen fixation

Question 17

One member of a system analysis team likes to manipulate variables to see the potential effects of trying different solutions,and this person likes to engage fully in the study of cause and effect.To which stage of system analysis would a system manager assign this person?

Accepted Answer

A)  system measurement 
B)  system modeling 
C)  system optimization 
D)  system simulation 
A)  system measurement 
B)  system modeling 
C)  system optimization 
D)  system simulation

Question 18

What increases the amount of carbon dioxide in the atmosphere?

Accepted Answer

A)  respiration 
B)  less forest fires 
C)  photosynthesis 
D)  recombination 
A)  respiration 
B)  less forest fires 
C)  photosynthesis 
D)  recombination

Question 19

When does leaching occur?

Accepted Answer

A)  when water removes soluble soil components 
B)  when humus is dissolved 
C)  when organic compounds slowly decay 
D)  when rock is shattered by frost action 
A)  when water removes soluble soil components 
B)  when humus is dissolved 
C)  when organic compounds slowly decay 
D)  when rock is shattered by frost action

Question 20

What is most likely to result when nitrogen is added to aquatic systems?

Accepted Answer

A)  depletion of oxygen in the water 
B)  immediate decrease in total primary productivity 
C)  immediate decrease in gross primary productivity 
D)  stunted algae growth 
A)  depletion of oxygen in the water 
B)  immediate decrease in total primary productivity 
C)  immediate decrease in gross primary productivity 
D)  stunted algae growth

Exam 4: Ecosystems: What Are They, and How Do They Work

Bacteria,deer,humans,and spiders are all examples of ____________________.

EARTH LAYERS -Which letter in the diagram corresponds to the lithosphere?

Which example is biodegradable?

All of the brown tree frogs and green tree frogs living in the same area would be part of the same population.

Which soil textures have moderate physical and chemical properties?

Without the natural greenhouse effect,the Earth would be too cold for life,as we know it,to exist.

Which cycle is NOT an example of a general nutrient cycle?

What is nitrogen a major component of?

What does life on Earth depend on in addition to the interaction of gravity?

Which forms of life are connected by the Earth's chemical cycles?

EARTH LAYERS -Which letter in the diagram corresponds to the layer that is comprised of water,ice,and water vapour?

Which process is involved in making wine?

What is the common name of the A soil horizon?

Biomes include both terrestrial and aquatic portions of the biosphere.

Which statement most characterizes laboratory research?

Through which process is nitrate converted to nitrogen gas?

One member of a system analysis team likes to manipulate variables to see the potential effects of trying different solutions,and this person likes to engage fully in the study of cause and effect.To which stage of system analysis would a system manager assign this person?

What increases the amount of carbon dioxide in the atmosphere?

When does leaching occur?

What is most likely to result when nitrogen is added to aquatic systems?

Environmental Problems: an Introduction and Overview

Environmental History: Learning From the Past

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Applying Population Ecology: the Human Population

Sustaining Terrestrial Biodiversity: Managing and Protecting Ecosystems

Sustaining Biodiversity: the Species Approach

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