Question 1

Water molecules readily dissolve ionic substances such as sugar because of the covalent bonds between the hydrogen and oxygen atoms.

Accepted Answer

A) True 
 B)False

Question 2

Vegetation and forests are important carbon sinks.

Accepted Answer

A) True 
 B)False

Question 3

Nucleic acid is to _______, as lipid is to _______.

Accepted Answer

A)  Cellular membrane structure; energy storage 
B)  Cellulose structure; genetic storage 
C)  Energy storage; cellulose structure 
D)  Genetic storage; cellular membrane structure 
E)  Energy storage; genetic storage 
A)  Cellular membrane structure; energy storage 
B)  Cellulose structure; genetic storage 
C)  Energy storage; cellulose structure 
D)  Genetic storage; cellular membrane structure 
E)  Energy storage; genetic storage

Question 4

The smallest particle exhibiting the characteristics of an element is a/an

Accepted Answer

A)  atom. 
B)  molecule. 
C)  isotope. 
D)  ion. 
A)  atom. 
B)  molecule. 
C)  isotope. 
D)  ion.

Question 5

A group of individuals of a particular type that are able to successfully interbreed is called a/an

Accepted Answer

A)  community. 
B)  ecosystem. 
C)  species. 
D)  population. 
A)  community. 
B)  ecosystem. 
C)  species. 
D)  population.

Question 6

Although there are exceptions, in general, a species includes all organisms that are similar enough to:

Accepted Answer

A)  Produce fertile offspring in nature 
B)  Look alike 
C)  Fill the same niche 
D)  Occupy the same community 
E)  Live together 
A)  Produce fertile offspring in nature 
B)  Look alike 
C)  Fill the same niche 
D)  Occupy the same community 
E)  Live together

Question 7

Outline the path of a carbon atom as it moves through the carbon cycle. Do not include human influences.

Accepted Answer

Should include the following: carbon dio

Question 8

Acids and bases are highly reactive; therefore, they can cause important environmental problems.

Accepted Answer

A) True 
 B)False

Question 9

The motion of a rock rolling downhill is known as __________ energy.

Accepted Answer

A)  Kinetic 
B)  Latent 
C)  Potential 
D)  Electrical 
E)  Mechanical 
A)  Kinetic 
B)  Latent 
C)  Potential 
D)  Electrical 
E)  Mechanical

Question 10

The conservation of matter principle is that matter

Accepted Answer

A)  is composed of atoms and molecules. 
B)  cannot be created, destroyed, nor changed in form. 
C)  must be used carefully or Earth will eventually run out. 
D)  can neither be created nor destroyed. 
A)  is composed of atoms and molecules. 
B)  cannot be created, destroyed, nor changed in form. 
C)  must be used carefully or Earth will eventually run out. 
D)  can neither be created nor destroyed.

Question 11

Phosphorus cycles through the Earth's ecosystems:

Accepted Answer

A)  Extremely quickly 
B)  Very slowly 
C)  Only when activated by human activity 
D)  Very rarely 
E)  Quickly when humans burn large amounts of fossil fuels 
A)  Extremely quickly 
B)  Very slowly 
C)  Only when activated by human activity 
D)  Very rarely 
E)  Quickly when humans burn large amounts of fossil fuels

Question 12

Substances that readily give up hydrogen atoms are called bases.

Accepted Answer

A) True 
 B)False

Question 13

Primary consumers are also known as:

Accepted Answer

A)  Carnivores 
B)  Scavengers 
C)  Decomposers 
D)  Herbivores 
E)  Top carnivores 
A)  Carnivores 
B)  Scavengers 
C)  Decomposers 
D)  Herbivores 
E)  Top carnivores

Question 14

An enzyme ____________ a chemical reaction and ______________ so it is ready to perform the reaction again.

Accepted Answer

A)  catalyzes; is not consumed as it is used 
B)  speeds up; organizes pieces together to form something different 
C)  slows; is not consumed as it is used 
D)  initiates; provides the energy to put something together 
A)  catalyzes; is not consumed as it is used 
B)  speeds up; organizes pieces together to form something different 
C)  slows; is not consumed as it is used 
D)  initiates; provides the energy to put something together

Question 15

Atoms of the same element but with different atomic mass are called

Accepted Answer

A)  radioactive. 
B)  molecules. 
C)  isotopes. 
D)  ions. 
A)  radioactive. 
B)  molecules. 
C)  isotopes. 
D)  ions.

Question 16

Which of the following statements is false?

Accepted Answer

A)  Nutrients are cycled in the ecosphere in biogeochemical cycles. 
B)  Elements in the rock cycle are generally cycled slower than elements in gaseous cycles. 
C)  Biogeochemical cycles are driven by the sun and by gravity. 
D)  There are three types of biogeochemical cycles: air, water, and land. 
E)  The hydrologic cycle involves the ocean, air, land, and living organisms. 
A)  Nutrients are cycled in the ecosphere in biogeochemical cycles. 
B)  Elements in the rock cycle are generally cycled slower than elements in gaseous cycles. 
C)  Biogeochemical cycles are driven by the sun and by gravity. 
D)  There are three types of biogeochemical cycles: air, water, and land. 
E)  The hydrologic cycle involves the ocean, air, land, and living organisms.

Question 17

Which of the following does not cycle repeatedly through the Earth's ecosystems?

Accepted Answer

A)  Water 
B)  Nitrogen 
C)  Matter 
D)  Carbon 
E)  Energy 
A)  Water 
B)  Nitrogen 
C)  Matter 
D)  Carbon 
E)  Energy

Question 18

Biomass includes all:

Accepted Answer

A)  Material in an ecosystem 
B)  Things that are living at a given time 
C)  Living and nonliving things 
D)  Matter produced by primary producers 
E)  Biological material 
A)  Material in an ecosystem 
B)  Things that are living at a given time 
C)  Living and nonliving things 
D)  Matter produced by primary producers 
E)  Biological material

Question 19

Which of the following is NOT a molecule?

Accepted Answer

A)  O3 
B)  O2 
C)  H2O 
D)  C6H12O6 
E)  Na+ 
A)  O3 
B)  O2 
C)  H2O 
D)  C6H12O6 
E)  Na+

Question 20

Metabolism is a collective term for thousands of:

Accepted Answer

A)  Organic compounds in a cell 
B)  Enzymatic reactions necessary for life 
C)  Cells in an organism 
D)  Molecular reactions in a cell 
A)  Organic compounds in a cell 
B)  Enzymatic reactions necessary for life 
C)  Cells in an organism 
D)  Molecular reactions in a cell

Exam 3: Matter, Energy, and Life

Water molecules readily dissolve ionic substances such as sugar because of the covalent bonds between the hydrogen and oxygen atoms.

Vegetation and forests are important carbon sinks.

Nucleic acid is to _______, as lipid is to _______.

The smallest particle exhibiting the characteristics of an element is a/an

A group of individuals of a particular type that are able to successfully interbreed is called a/an

Although there are exceptions, in general, a species includes all organisms that are similar enough to:

Outline the path of a carbon atom as it moves through the carbon cycle. Do not include human influences.

Acids and bases are highly reactive; therefore, they can cause important environmental problems.

The motion of a rock rolling downhill is known as __________ energy.

The conservation of matter principle is that matter

Phosphorus cycles through the Earth's ecosystems:

Substances that readily give up hydrogen atoms are called bases.

Primary consumers are also known as:

An enzyme ____________ a chemical reaction and ______________ so it is ready to perform the reaction again.

Atoms of the same element but with different atomic mass are called

Which of the following statements is false?

Which of the following does not cycle repeatedly through the Earth's ecosystems?

Biomass includes all:

Which of the following is NOT a molecule?

Metabolism is a collective term for thousands of:

Understanding Our Environment

Principles of Science and Systems

Evolution, Biological Communities, and Species Interactions

Biomes: Global Patterns of Life

Population Biology

Human Populations

Environmental Health and Toxicology

Food and Hunger

Farming: Conventional and Sustainable Practices

Biodiversity: Preserving Species

Biodiversity: Preserving Landscapes

Restoration Ecology

Geology and Earth Resources

Climate Change

Air Pollution

Water Use and Management

Water Pollution

Conventional Energy

Sustainable Energy

Solid, Toxic, and Hazardous Waste

Urbanization and Sustainable Cities

Ecological Economics

Environmental Policy, Law, and Planning

What Then Shall We Do

Filters

Nucleic acid is to _, as lipid is to _.

An enzyme a chemical reaction and __ so it is ready to perform the reaction again.