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Biology Final S2 Flashcards

(100 cards)

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1
Q

Which does a functioning aquarium not display?

A

A niche

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2
Q

A group of organisms of different species living together in a particular place is called a

A

A community

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3
Q

In which of the following could one not reasonably measure biodiversity?

A

Population

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4
Q

(Diagram of different trees in barren soil) Refer to the illustration above. The process shown in the diagram is known as

A

Succession

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5
Q

Succession occurs

A

After a new food web is established

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6
Q

When the settlers arrived in New England, many forests were turned into fields. Eventually, some fields were abandoned and then grew back into forests. This is best described as

A

Succession

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7
Q

Which of the following factors is not helpful in defining a biome?

A

A seasons average rainfall

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8
Q

The kinds of species that live in certain areas are determined largely by

A

Climate

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9
Q

Animals that feed on plants are at least in the

A

Second Trophic Level

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10
Q

Which of the following is a decomposer?

A

Worm

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11
Q

(Food Web) Refer to the illustration above. The photosynthetic algae are

A

Producers

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12
Q

(Food web) Refer to the illustration above. The diagram, which shows how energy moves through an ecosystem, is known as a

A

Food Web

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13
Q

(Food Web) Refer to the illustration above. Leopard seals are

A

Carnivores

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14
Q

(Food Web) Refer to the illustration above. Killer whales feed at the

A

Third and Fourth Trophic Levels

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15
Q

(Energy Pyramid) Refer to the illustration above. Level A is composed of

A

Producers

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16
Q

(Energy Pyramid) Refer to the illustration above. On the diagram, animals that feed on plant eaters are no lower than

A

Level C

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17
Q

(Energy Pyramid) Refer to the illustration above. The diagram shows a(n)

A

Energy Pyramid

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18
Q

(Energy Pyramid) Refer to the illustration above. How much energy is available to the organisms in level C?

A

10 percent of the energy in level B

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19
Q

(Energy Pyramid) Refer to the illustration above. The diagram represents the decrease in

A

Available energy from lower to higher trophic levels.

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20
Q

Precipitation that percolates into the soil becomes

A

Groundwater

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21
Q

Precipitation and evaporation are important components of the

A

Water Cycle

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22
Q

The water cycle continuously moves water between the atmosphere, land, and

A

Oceans

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23
Q

Which of the following is common to the carbon cycle, the nitrogen cycle, and the water cycle?

A

The substance is required by all living things and is involved in many processes that occur in all living things.

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24
Q

Plants use carbon dioxide to build organic molecules during the process of

A

Photosynthesis

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25
All living things are made of
Carbon
26
Which of the following is not descriptive of coal, oil, and natural gas?
Absorb carbon dioxide from the atmosphere
27
Which of the following is not part of the nitrogen cycle?
Breathing in nitrogen gas from the atmosphere
28
Nitrogen is a component of
Proteins
29
When humans and animals die, phosphorus
Returns to the soil
30
In water, calcium phosphate dissolves to form which substance that is taken up by the roots of plants?
Phosphate
31
Because individuals in a population usually tend to produce more than one offspring,
Populations tend to increase in size.
32
As a population reaches its carrying capacity, resources become more scarce. Which of the following would increase within the population?
Competition
33
(Population Growth Chart) Refer to the illustration above. Which time period shows exponential growth of the population?
Period B
34
(Population Growth Chart) Refer to the illustration above. During which time period are the birthrate and death rate equal?
Period C
35
(Population Growth Chart) Refer to the illustration above. During which time period will the growth rate of the population be zero?
Period C
36
(Population Growth Chart) Refer to the illustration above. The time period during which the rate of growth of a population would have a negative value is
Period D
37
Which of the following is not an abiotic factor that affects population size?
Human Impact
38
Which is a biotic factor that affects population size?
Food
39
As the density of a population increases, the effects of starvation and disease also often increase. These are which kind of factors?
Density-independent
40
Which of the following is not an example of a predator-prey relationship?
A flea biting a dog
41
Most animals are both
Predators and prey
42
(Symbiosis Table) Refer to the table above. The table represents three types of
Symbiosis
43
Refer to the table above. The relationship that corresponds to description 2 is known as
Commensalism
44
Which of the following would not be included in a description of an organism’s niche?
It's number of chromosomes
45
Which of the following usually results when members of the same species require the same food and space?
Competition
46
Renewable sources of energy
Can replenish themselves naturally.
47
Which resource is considered renewable?
Wind
48
Coal is considered a nonrenewable resource because it
Forms over millions of years.
49
The heat-trapping ability of some gases in the atmosphere can be compared to
The way glass traps heat in a greenhouse.
50
Solar energy can be trapped in the atmosphere by
Carbon dioxide
51
Temperatures on Earth may continue to increase because
Increasing carbon dioxide in the atmosphere will trap more heat.
52
The extinction of species
Has been sped up by the activities of people.
53
Which of these activities causes the greatest loss of biodiversity?
Habitat Destruction
54
What does evolution mean in biology?
Change in species over time
55
Evolution can be defined as a genetic change in
Species
56
Which of the following is the result of artificial selection?
The recognized breeds of dogs
57
Darwin’s observations of finches indicated descent with
Modifications in bills
58
Layers of rock give evidence of
The great age of the Earth
59
Darwin’s theory of evolution by natural selection included
Overproduction and selection.
60
Which of the following statements is not true about the steps of natural selection?
A small amount of variation can be attributed to inherited traits.
61
According to Darwin’s view of natural selection, overproduction means producing
More offspring than can survive.
62
The Galápagos finches are adapted to their environment because they have
Evolved
63
Natural selection is the process by which
Organisms with traits well-suited to their environment reproduce at a greater rate than less well-adapted organisms in the same environment.
64
Natural selection could not occur without
Genetic variation in populations
65
A trait that allows organisms to survive and reproduce better than others without the trait in a specific environment is a(n)
Adaptation
66
Which of the following describes fossils?
Traces of organisms that lived in the past
67
(Four Homologous Organisms) Refer to the illustration above. An analysis of DNA from these organisms would indicate that
Their nucleotide sequences show many similarities
68
(Four Homologous Organisms) Refer to the illustration above. The similarity of these structures suggests that the organisms
Have a common ancestor
69
(Four Homologous Organisms) Refer to the illustration above. The bones labeled A are known as
Homologous Structures
70
Evidence that supports the theory of evolution includes all of the following except
Punctuated sedimentation
71
Biogeography is the study of
The location of organisms on Earth
72
The formation of new species is called
Speciation
73
Processes of microevolution include
Migrating and Mutation
74
The term microevolution refers to
Small-scale changes in a population’s genes.
75
The hypothesis that evolution occurs in “spurts” through geologic time is known as
Punctuated equilibrium
76
The hypothesis that evolution occurs at a slow, gradual pace is known as
Gradualism
77
Molecules of DNA are composed of long chains of
Nucleotides
78
Which of the following is not part of a molecule of DNA?
Ribose
79
A nucleotide consists of
A sugar, a phosphate group, and a nitrogen base
80
The part of the molecule for which DNA is named is the
Sugar
81
(Nucleotide Molecule) The entire molecule shown in the diagram above is called a(n)
Nucleotide
82
The amount of guanine in an organism always equals the amount of
Cytosine
83
During DNA replication, a complementary strand of DNA is made from each original DNA strand. Thus, if a portion of the original strand is CCTAGCT, then the new strand will be
GGATCGA
84
Which of the following is not true about DNA replication?
The new DNA molecule has two newly-made strands.
85
The attachment of nucleotides to form a complementary strand of DNA during replication
Is accomplished by DNA polymerase
86
The enzymes that unwind DNA during replication are called
DNA Helicases
87
Transcription, which is a stage of gene expression, is the process by which genetic information encoded in DNA is transferred to a(n)
RNA Molecule
88
RNA differs from DNA in that RNA
Contains the nitrogen base uracil
89
Which of the following is not found in RNA?
Thymine
90
Each of the following is a type of RNA except
Ribosomal RNA
91
During transcription
RNA is produced
92
During transcription, the genetic information for making a protein is “rewritten” as a molecule of
Messenger RNA
93
Transcription begins when RNA polymerase
Unwinds a strand of DNA
94
Each nucleotide triplet in mRNA that specifies a particular amino acid is called a(n)
A codon
95
mRNA: CUCAAGUGCUUC Refer to the illustration above (Protein Chart). What is the portion of the protein molecule coded for by a piece of mRNA with the sequence CUCAAGUGCUUC?
Leu—Lys—Cys—Phe
96
mRNA: CUCAAGUGCUUC Refer to the illustration above (Protein Chart). The anticodons for the codons in the mRNA with the sequence CUCAAGUGCUUC are
GAG—UUC—ACG—AAG.
97
mRNA: CUCAAGUGCUUC Refer to the illustration above (Protein Chart). Which of the following would represent the strand of DNA from which the mRNA strand CUCAAGUGCUUC was made?
GAGTTCACGAAG
98
Refer to the illustration above. Suppose that you are given a protein containing the following sequence of amino acids: tyrosine, proline, aspartic acid, isoleucine, and cysteine. Use the portion of the genetic code given to determine which of the following contains a DNA sequence that codes for this amino acid sequence.
ATGGGTCTATATACG
99
At the very beginning of translation, the first tRNA molecule
Binds to the mRNA’s start codon
100
Transfer RNA
Carries an amino acid to its correct codon

Biology (2 decks)

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