Question 1

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

Accepted Answer

A) True 
 B)False

Question 2

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

Accepted Answer

A)   radioactive.
B)   molecules.
C)   isotopes.
D)   ions.E) A) and B)
F) A) and C)

Question 3

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

Accepted Answer

A)   Water
B)   Nitrogen
C)   Matter
D)   Carbon
E)   EnergyF) A) and B)
G) D) and E)

Question 4

Primary consumers are also known as:

Accepted Answer

A)   Carnivores
B)   Scavengers
C)   Decomposers
D)   Herbivores
E)   Top carnivoresF) C) and E)
G) C) and D)

Question 5

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.F) B) and D)
G) A) and C)

Question 6

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 cellE) None of the above
F) A) and B)

Question 7

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 togetherF) C) and D)
G) A) and E)

Question 8

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 9

Vegetation and forests are important carbon sinks.

Accepted Answer

A) True 
 B)False

Question 10

Substances that readily give up hydrogen atoms are called bases.

Accepted Answer

A) True 
 B)False

Question 11

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 storageF) C) and D)
G) A) and C)

Question 12

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 togetherE) C) and D)
F) A) and B)

Question 13

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.E) A) and B)
F) B) and C)

Question 14

Which of the following is NOT a molecule?

Accepted Answer

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

Question 15

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.E) A) and C)
F) C) and D)

Question 16

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

Accepted Answer

A)   atom.
B)   molecule.
C)   isotope.
D)   ion.E) All of the above
F) A) and C)

Question 17

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

Accepted Answer

A)   Kinetic
B)   Latent
C)   Potential
D)   Electrical
E)   MechanicalF) A) and B)
G) A) and D)

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 materialF) A) and D)
G) All of the above

Question 19

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 fuelsF) A) and D)
G) C) and D)

Question 20

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...

Exam 3: Matter, Energy, and Life

Metabolism is a collective term for thousands of:

Correct AnswerverifiedShow Answer

Biomass includes all:

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Phosphorus cycles through the Earth's ecosystems:

Correct AnswerverifiedShow Answer

Which of the following is NOT a molecule?

Correct AnswerverifiedShow Answer

Primary consumers are also known as:

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Substances that readily give up hydrogen atoms are called bases.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Vegetation and forests are important carbon sinks.

Correct AnswerverifiedShow Answer

Which of the following statements is false?

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The conservation of matter principle is that matter

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

Correct AnswerverifiedShould include the following: carbon dio...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

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

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Should include the following: carbon dio...
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