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Worksheets2nd Semester Exam
Total questions: 161
Worksheet time: 1hrs 21mins
Name
Class
Date
1.
What is the difference in structure of RNA and DNA
a)
Number of strands
b)
Nitrogenous bases
c)
Type of sugar
d)
All of the above
2.
What nitrogenous base does RNA have that DNA doesn't
a)
Uracil
b)
Thymine
c)
Adenine
d)
Toricine
3.
How many strands do DNA and RNA have?
a)
DNA: 6, RNA:3
b)
DNA: 1, RNA:2
c)
DNA: 2, RNA: 1
d)
DNA: 1, RNA:3
4.
Which bases match up with eachother in DNA?
a)
Adenine and Thymine, Guanine and Cytosine
b)
Thymine and Guanine, Cytosine and Adenine
c)
Adenine and Uracil, Cytosine and Thymine
d)
Uracil and Adenine, Thymine and Guanine
5.
What kind of sugar is used in DNA?
a)
Ribose sugar
b)
Deoxyribose sugar
c)
Powdered sugar
d)
Glucose
6.
What nitrogen base changes from DNA to RNA
a)
Adenine
b)
Thymine
c)
Guanine
d)
Cytosine
7.
Which of these is not a proper nitrogenous base pairing
a)
Adenine and Thymine
b)
Adenine and Uracil
c)
Guanine and Cytosine
d)
Uracil and Guanine
8.
What does Anti-parallel mean?
a)
It is opposite and flipped
b)
Just on the opposite side
c)
Same side but flipped
d)
Same side and not flipped
9.
What are the four nitrogen bases in DNA?
a)
Carbon, Thymine, Phosphate, Guanine
b)
Sugar, Carbon, Adenine, Thymine
c)
Cytosine, Hydrogen, Nucleic Acids, Sugar
d)
Adenine, Guanine, Thymine, Cytosine
10.
How are the sugar-phosphate backbones arranged?
a)
5' to 3'
b)
3' to 5'
c)
4' to 2'
d)
Doesn't matter.
11.
Why is bacteria such a good organism to study.
a)
It can't die
b)
It reproduces slower
c)
It reproduces at a rapid rate
d)
It is easy to track progress
12.
How many hydrogen bonds does A-T have
a)
1
b)
2
c)
3
d)
4
13.
What types of sugars do DNA and RNA have
a)
Deoxyribose and ribose
b)
processed and unprocessed
c)
cane sugar and rich sugar
d)
crystalline sugar and ground sugar
14.
What can phosphate bond with?
a)
Only base subunits
b)
Base subunits and sugar subunits
c)
Only sugar subunits
d)
Phosphate
15.
What are the 2 purines and 2 pyrimidines in DNA?
a)
Adenine and Guanine, Thymine and Cytosine
b)
Guanine and Cytosine, Thymine and Adenine
c)
Guanine and Thymine, Cytosine and Adenine
d)
Cytosine and Nucleotides, Guanine and Adenine
16.
What is the difference between purines and pyrimidines?
a)
Purines have two carbon nitrogen rings and Pyrimidines have 1.
b)
Purines have one carbon nitrogen rings and Pyrimidines have two.
c)
There is no difference.
d)
What they are made up of is different.
17.
What base matches to Adenine in RNA?
a)
Uracil
b)
Thymine
c)
Cytosine
d)
Guanine
18.
What is not one of the 5 mechanisms of evolution
a)
Mutation
b)
gene flow
c)
Non random mating
d)
radio metricdating
19.
Which of the following is not a mechanism of evolution?
a)
Non-random mating
b)
Mutation
c)
Genetic Drift
d)
Crossing Over
20.
What is NOT a mechanism of evolution
a)
natural selection
b)
mutation
c)
disease
d)
migration/gene flow
21.
Are mutations harmful or helpful?
a)
harmful
b)
helpful
c)
both A and B
d)
no affect
22.
A Species of bird has traveled to Birmingham from Canada, and they reproduce with local bird species. Which mechanism BEST fits this?
a)
Gene flow/migration
b)
Genetic recombination
c)
Both
d)
Neither of these
23.
How are evolution and diversity related
a)
things and traits change over time which creates diversity in the popluation
b)
they have no relation
c)
they both cause fossils
d)
they are the same thing
24.
A change in traits that can be good or bad to the organism is
a)
Genetic Drift
b)
Non Random Mating
c)
Natural selection
d)
Mutations
25.
What is natural selection?
a)
Where animals pick their mate intentionally.
b)
Where animals move habitats.
c)
When the strongest of a species survives.
d)
When the DNA of an animal randomly changes.
26.
Why is Evolution important?
a)
It creates genetic diversity
b)
It causes adaptations for survival
c)
It gets rid of species that can't survive/too weak
d)
All of the above
27.
What is Gene flow?
a)
The movement of species to different locations.
b)
DNA continues to flow around.
c)
Where a natural disaster causes a change in the genetic variation of a species.
d)
Where animals pick their mate intentionally.
28.
What Is evolution?
a)
change in species over time
b)
change in a population over time
c)
quick change in bacteria
d)
quick change from mutations
29.
Which organism uses asexual reproduction
a)
lions
b)
dogs
c)
trees
d)
brittle star
30.
What is a benefit to sexual reproduction?
a)
genetic diversity
b)
rapid population increase
c)
no mate is necessary
d)
all of the above
31.
What is it called when the phosphate backbones are opposite from each other and flipped
a)
Dangling phosphate
b)
Opposite reaction
c)
Anti parallel
d)
parallel
32.
What type of structure does DNA have
a)
Double Helix
b)
Single Helix
c)
Carbon Structure
d)
Triple Helix
33.
What is an example of a Complementary base pair?
a)
A-L
b)
G-C
c)
G-U
d)
C-K
34.
What are the four nitrogen bases in DNA?
a)
Carbon, Thymine, Phosphate, Guanine
b)
Sugar, Carbon, Adenine, Thymine
c)
Cytosine, Hydrogen, Nucleic Acids, Sugar
d)
Adenine, Guanine, Thymine, Cytosine
35.
How are the sugar-phosphate backbones arranged?
a)
5' to 3'
b)
3' to 5'
c)
4' to 2'
d)
Doesn't matter.
36.
What bases connect to eachother?
a)
C to T, A to G
b)
G to A, T to C
c)
It doesn't matter
d)
A to T, C to G
37.
Why is bacteria such a good organism to study.
a)
It can't die
b)
It reproduces slower
c)
It reproduces at a rapid rate
d)
It is easy to track progress
38.
How many hydrogen bonds does A-T have
a)
1
b)
2
c)
3
d)
4
39.
What types of sugars do DNA and RNA have
a)
Deoxyribose and ribose
b)
processed and unprocessed
c)
cane sugar and rich sugar
d)
crystalline sugar and ground sugar
40.
What can phosphate bond with?
a)
Only base subunits
b)
Base subunits and sugar subunits
c)
Only sugar subunits
d)
Phosphate
41.
What are the 2 purines and 2 pyrimidines in DNA?
a)
Adenine and Guanine, Thymine and Cytosine
b)
Guanine and Cytosine, Thymine and Adenine
c)
Guanine and Thymine, Cytosine and Adenine
d)
Cytosine and Nucleotides, Guanine and Adenine
42.
What is the difference between purines and pyrimidines?
a)
Purines have two carbon nitrogen rings and Pyrimidines have 1.
b)
Purines have one carbon nitrogen rings and Pyrimidines have two.
c)
There is no difference.
d)
What they are made up of is different.
43.
What base matches to Adenine in RNA?
a)
Uracil
b)
Thymine
c)
Cytosine
d)
Guanine
44.
What is not one of the 5 mechanisms of evolution
a)
Mutation
b)
gene flow
c)
Non random mating
d)
radio metricdating
45.
What's the point of evolution?
a)
so that all species can gradually change and adapt overtime
b)
there is no point
c)
so new speciec can get created
d)
both A and C
46.
all of these options have a decrease in diversity except which one
a)
Non random mating
b)
Natural Selection
c)
Mutation
d)
Genetic drift
47.
Which of the following is not a mechanism of evolution?
a)
Non-random mating
b)
Mutation
c)
Genetic Drift
d)
Crossing Over
48.
What is NOT a mechanism of evolution
a)
natural selection
b)
mutation
c)
disease
d)
migration/gene flow
49.
whats an advantage of genetic variation
a)
makes it easier for organisms to adapt to certain envirorments
b)
makes it easier for envirorments to adapt to certain organisms
c)
no diversity
d)
A and B
50.
Are mutations harmful or helpful?
a)
harmful
b)
helpful
c)
both A and B
d)
no affect
51.
Which one of these options forces the organism to adapt to new environments
a)
Natural selection
b)
Mutation
c)
Non Random Mating
d)
Gene Flow (Migration)
52.
What is the point of evolution?
a)
For a species to change for the better with its environment.
b)
For a species to reproduce more effectively.
c)
To increase the chances of having an immunity to a disease.
d)
It does not matter because humans exist.
53.
A Species of bird has traveled to Birmingham from Canada, and they reproduce with local bird species. Which mechanism BEST fits this?
a)
Gene flow/migration
b)
Genetic recombination
c)
Both
d)
Neither of these
54.
How are evolution and diversity related
a)
things and traits change over time which creates diversity in the popluation
b)
they have no relation
c)
they both cause fossils
d)
they are the same thing
55.
Is non-random mating beneficial to the theory of evolution?
a)
Yes, it allows more species to get created and for species to adapt and survive
b)
No
c)
Yes it allows species to mate with whoever they desire
d)
both A and C
56.
A change in traits that can be good or bad to the organism that can cause death
a)
Genetic Drift
b)
Non Random Mating
c)
Natural selection
d)
Mutations
57.
What is natural selection?
a)
Where animals pick their mate intentionally.
b)
Where animals move habitats.
c)
When the strongest of a species survives.
d)
When the DNA of an animal randomly changes.
58.
Why is Evolution important?
a)
It creates genetic diversity
b)
It causes adaptations for survival
c)
It gets rid of species that can't survive/too weak
d)
All of the above
59.
Is natural selection beneficial, if so why
a)
its harmful
b)
no, it takes away species
c)
yes, it creates new species
d)
yes, helps organisms adapt
60.
what is Gene flow
a)
migration
b)
same thing as genetic drift
c)
movement of populations in or out of a certain area
d)
A and C
61.
Humans use this and it causes less diversity when making children
a)
Gene flow
b)
Non Random Mating
c)
Natural Selection
d)
Genetic drift
62.
What is Gene flow?
a)
The movement of species to different locations.
b)
DNA continues to flow around.
c)
Where a natural disaster causes a change in the genetic variation of a species.
d)
Where animals pick their mate intentionally.
63.
What Is evolution?
a)
change in species over time
b)
change in a population over time
c)
quick change in bacteria
d)
quick change from mutations
64.
Which organism uses asexual reproduction
a)
lions
b)
dogs
c)
trees
d)
brittle star
65.
What is a benefit to sexual reproduction?
a)
genetic diversity
b)
rapid population increase
c)
no mate is necessary
d)
all of the above
66.
What is the difference in structure of RNA and DNA
a)
Amount of phosphate backbone
b)
Nitrogenous bases
c)
Type of sugar
d)
All of the above
67.
What nitrogenous base does RNA have that DNA doesn't
a)
Uracil
b)
Thymine
c)
Adenine
d)
Toricine
68.
How many strands do DNA have?
a)
1
b)
3
c)
2
d)
None
69.
How many strands do DNA and RNA have?
a)
DNA: 6, RNA:3
b)
DNA: 1, RNA:2
c)
DNA: 2, RNA: 1
d)
DNA: 1, RNA:3
70.
Which bases match up with eachother in DNA?
a)
Adenine and Thymine, Guanine and Cytosine
b)
Thymine and Guanine, Cytosine and Adenine
c)
Adenine and Uracil, Cytosine and Thymine
d)
Uracil and Adenine, Thymine and Guanine
71.
What kind of sugar is used in DNA?
a)
Ribose sugar
b)
Deoxyribose sugar
c)
Powdered sugar
d)
Glucose
72.
What nitrogen base changes from DNA to RNA
a)
Adenine
b)
Thymine
c)
Guanine
d)
Cytosine
73.
Which of these is not a proper nitrogenous base pairing
a)
Adenine and Thymine
b)
Adenine and Uracil
c)
Guanine and Cytosine
d)
Uracil and Guanine
74.
What does Anti-parallel mean?
a)
It is opposite and flipped
b)
Just on the opposite side
c)
Same side but flipped
d)
Same side and not flipped
75.
What is the sugar type of DNA?
a)
deoxy-ribose sugar
b)
ribose sugar
c)
DNA sugar
d)
Nucleic acid sugar
76.
What is the differences between DNA and RNA?
a)
They have a different number of strands.
b)
RNA has Uracil.
c)
Type of sugars.
d)
All of the above.
77.
What is the definition of Anti-parallel?
a)
Just parallel
b)
Just flipped
c)
Parallel but flipped
d)
Anti-parallel is not a word
78.
If the half life is 50 years and it began in 1900 when will it fully decay.
a)
1925
b)
2250
c)
3050
d)
1902
79.
What is it called when the phosphate backbones are opposite from each other and flipped
a)
Dangling phosphate
b)
Opposite reaction
c)
Anti parallel
d)
parallel
80.
What type of structure does DNA have
a)
Double Helix
b)
Single Helix
c)
Carbon Structure
d)
Triple Helix
81.
What is an example of a Complementary base pair?
a)
A-L
b)
G-C
c)
G-U
d)
C-K
82.
What are the four nitrogen bases in DNA?
a)
Carbon, Thymine, Phosphate, Guanine
b)
Sugar, Carbon, Adenine, Thymine
c)
Cytosine, Hydrogen, Nucleic Acids, Sugar
d)
Adenine, Guanine, Thymine, Cytosine
83.
How are the sugar-phosphate backbones arranged?
a)
5' to 3'
b)
3' to 5'
c)
4' to 2'
d)
Doesn't matter.
84.
What bases connect to eachother?
a)
C to T, A to G
b)
G to A, T to C
c)
It doesn't matter
d)
A to T, C to G
85.
Why is bacteria such a good organism to study.
a)
It can't die
b)
It reproduces slower
c)
It reproduces at a rapid rate
d)
It is easy to track progress
86.
How many hydrogen bonds does A-T have
a)
1
b)
2
c)
3
d)
4
87.
What types of sugars do DNA and RNA have
a)
Deoxyribose and ribose
b)
processed and unprocessed
c)
cane sugar and rich sugar
d)
crystalline sugar and ground sugar
88.
What can phosphate bond with?
a)
Only base subunits
b)
Base subunits and sugar subunits
c)
Only sugar subunits
d)
Phosphate
89.
What are the 2 purines and 2 pyrimidines in DNA?
a)
Adenine and Guanine, Thymine and Cytosine
b)
Guanine and Cytosine, Thymine and Adenine
c)
Guanine and Thymine, Cytosine and Adenine
d)
Cytosine and Nucleotides, Guanine and Adenine
90.
What is the difference between purines and pyrimidines?
a)
Purines have two carbon nitrogen rings and Pyrimidines have 1.
b)
Purines have one carbon nitrogen rings and Pyrimidines have two.
c)
There is no difference.
d)
What they are made up of is different.
91.
What base matches to Adenine in RNA?
a)
Uracil
b)
Thymine
c)
Cytosine
d)
Guanine
92.
What is not one of the 5 mechanisms of evolution
a)
Mutation
b)
gene flow
c)
Non random mating
d)
radio metricdating
93.
What's the point of evolution?
a)
so that all species can gradually change and adapt overtime
b)
there is no point
c)
so new speciec can get created
d)
both A and C
94.
all of these options have a decrease in diversity except which one
a)
Non random mating
b)
Natural Selection
c)
Mutation
d)
Genetic drift
95.
Which of the following is not a mechanism of evolution?
a)
Non-random mating
b)
Mutation
c)
Genetic Drift
d)
Crossing Over
96.
What is NOT a mechanism of evolution
a)
natural selection
b)
mutation
c)
disease
d)
migration/gene flow
97.
whats an advantage of genetic variation
a)
makes it easier for organisms to adapt to certain envirorments
b)
makes it easier for envirorments to adapt to certain organisms
c)
no diversity
d)
A and B
98.
Are mutations harmful or helpful?
a)
harmful
b)
helpful
c)
both A and B
d)
no affect
99.
Which one of these options forces the organism to adapt to new environments
a)
Natural selection
b)
Mutation
c)
Non Random Mating
d)
Gene Flow (Migration)
100.
What is the point of evolution?
a)
For a species to change for the better with its environment.
b)
For a species to reproduce more effectively.
c)
To increase the chances of having an immunity to a disease.
d)
It does not matter because humans exist.
101.
A Species of bird has traveled to Birmingham from Canada, and they reproduce with local bird species. Which mechanism BEST fits this?
a)
Gene flow/migration
b)
Genetic recombination
c)
Both
d)
Neither of these
102.
How are evolution and diversity related
a)
things and traits change over time which creates diversity in the popluation
b)
they have no relation
c)
they both cause fossils
d)
they are the same thing
103.
Is non-random mating beneficial to the theory of evolution?
a)
Yes, it allows more species to get created and for species to adapt and survive
b)
No
c)
Yes it allows species to mate with whoever they desire
d)
both A and C
104.
A change in traits that can be good or bad to the organism that can cause death
a)
Genetic Drift
b)
Non Random Mating
c)
Natural selection
d)
Mutations
105.
What is natural selection?
a)
Where animals pick their mate intentionally.
b)
Where animals move habitats.
c)
When the strongest of a species survives.
d)
When the DNA of an animal randomly changes.
106.
Why is Evolution important?
a)
It creates genetic diversity
b)
It causes adaptations for survival
c)
It gets rid of species that can't survive/too weak
d)
All of the above
107.
Is natural selection beneficial, if so why
a)
its harmful
b)
no, it takes away species
c)
yes, it creates new species
d)
yes, helps organisms adapt
108.
what is Gene flow
a)
migration
b)
same thing as genetic drift
c)
movement of populations in or out of a certain area
d)
A and C
109.
Humans use this and it causes less diversity when making children
a)
Gene flow
b)
Non Random Mating
c)
Natural Selection
d)
Genetic drift
110.
What is Gene flow?
a)
The movement of species to different locations.
b)
DNA continues to flow around.
c)
Where a natural disaster causes a change in the genetic variation of a species.
d)
Where animals pick their mate intentionally.
111.
What Is evolution?
a)
change in species over time
b)
change in a population over time
c)
quick change in bacteria
d)
quick change from mutations
112.
Which organism uses asexual reproduction
a)
lions
b)
dogs
c)
trees
d)
brittle star
113.
What is a benefit to sexual reproduction?
a)
genetic diversity
b)
rapid population increase
c)
no mate is necessary
d)
all of the above
114.
What is the difference in structure of RNA and DNA
a)
Amount of phosphate backbone
b)
Nitrogenous bases
c)
Type of sugar
d)
All of the above
115.
What nitrogenous base does RNA have that DNA doesn't
a)
Uracil
b)
Thymine
c)
Adenine
d)
Toricine
116.
How many strands do DNA have?
a)
1
b)
3
c)
2
d)
None
117.
How many strands do DNA and RNA have?
a)
DNA: 6, RNA:3
b)
DNA: 1, RNA:2
c)
DNA: 2, RNA: 1
d)
DNA: 1, RNA:3
118.
Which bases match up with eachother in DNA?
a)
Adenine and Thymine, Guanine and Cytosine
b)
Thymine and Guanine, Cytosine and Adenine
c)
Adenine and Uracil, Cytosine and Thymine
d)
Uracil and Adenine, Thymine and Guanine
119.
What kind of sugar is used in DNA?
a)
Ribose sugar
b)
Deoxyribose sugar
c)
Powdered sugar
d)
Glucose
120.
What nitrogen base changes from DNA to RNA
a)
Adenine
b)
Thymine
c)
Guanine
d)
Cytosine
121.
Which of these is not a proper nitrogenous base pairing
a)
Adenine and Thymine
b)
Adenine and Uracil
c)
Guanine and Cytosine
d)
Uracil and Guanine
122.
What does Anti-parallel mean?
a)
It is opposite and flipped
b)
Just on the opposite side
c)
Same side but flipped
d)
Same side and not flipped
123.
What is the sugar type of DNA?
a)
deoxy-ribose sugar
b)
ribose sugar
c)
DNA sugar
d)
Nucleic acid sugar
124.
What is the differences between DNA and RNA?
a)
They have a different number of strands.
b)
RNA has Uracil.
c)
Type of sugars.
d)
All of the above.
125.
What is the definition of Anti-parallel?
a)
Just parallel
b)
Just flipped
c)
Parallel but flipped
d)
Anti-parallel is not a word
126.
If the half life is 50 years and it began in 1900 when will it fully decay.
a)
1925
b)
2250
c)
3050
d)
1902
127.
What is it called when the phosphate backbones are opposite from each other and flipped
a)
Dangling phosphate
b)
Opposite reaction
c)
Anti parallel
d)
parallel
128.
What type of structure does DNA have
a)
Double Helix
b)
Single Helix
c)
Carbon Structure
d)
Triple Helix
129.
What is an example of a Complementary base pair?
a)
A-L
b)
G-C
c)
G-U
d)
C-K
130.
What are the four nitrogen bases in DNA?
a)
Carbon, Thymine, Phosphate, Guanine
b)
Sugar, Carbon, Adenine, Thymine
c)
Cytosine, Hydrogen, Nucleic Acids, Sugar
d)
Adenine, Guanine, Thymine, Cytosine
131.
How are the sugar-phosphate backbones arranged?
a)
5' to 3'
b)
3' to 5'
c)
4' to 2'
d)
Doesn't matter.
132.
What bases connect to eachother?
a)
C to T, A to G
b)
G to A, T to C
c)
It doesn't matter
d)
A to T, C to G
133.
Why is bacteria such a good organism to study.
a)
It can't die
b)
It reproduces slower
c)
It reproduces at a rapid rate
d)
It is easy to track progress
134.
How many hydrogen bonds does A-T have
a)
1
b)
2
c)
3
d)
4
135.
What types of sugars do DNA and RNA have
a)
Deoxyribose and ribose
b)
processed and unprocessed
c)
cane sugar and rich sugar
d)
crystalline sugar and ground sugar
136.
What can phosphate bond with?
a)
Only base subunits
b)
Base subunits and sugar subunits
c)
Only sugar subunits
d)
Phosphate
137.
What are the 2 purines and 2 pyrimidines in DNA?
a)
Adenine and Guanine, Thymine and Cytosine
b)
Guanine and Cytosine, Thymine and Adenine
c)
Guanine and Thymine, Cytosine and Adenine
d)
Cytosine and Nucleotides, Guanine and Adenine
138.
What is the difference between purines and pyrimidines?
a)
Purines have two carbon nitrogen rings and Pyrimidines have 1.
b)
Purines have one carbon nitrogen rings and Pyrimidines have two.
c)
There is no difference.
d)
What they are made up of is different.
139.
What base matches to Adenine in RNA?
a)
Uracil
b)
Thymine
c)
Cytosine
d)
Guanine
140.
What is not one of the 5 mechanisms of evolution
a)
Mutation
b)
gene flow
c)
Non random mating
d)
radio metricdating
141.
What's the point of evolution?
a)
so that all species can gradually change and adapt overtime
b)
there is no point
c)
so new speciec can get created
d)
both A and C
142.
all of these options have a decrease in diversity except which one
a)
Non random mating
b)
Natural Selection
c)
Mutation
d)
Genetic drift
143.
Which of the following is not a mechanism of evolution?
a)
Non-random mating
b)
Mutation
c)
Genetic Drift
d)
Crossing Over
144.
What is NOT a mechanism of evolution
a)
natural selection
b)
mutation
c)
disease
d)
migration/gene flow
145.
whats an advantage of genetic variation
a)
makes it easier for organisms to adapt to certain envirorments
b)
makes it easier for envirorments to adapt to certain organisms
c)
no diversity
d)
A and B
146.
Are mutations harmful or helpful?
a)
harmful
b)
helpful
c)
both A and B
d)
no affect
147.
Which one of these options forces the organism to adapt to new environments
a)
Natural selection
b)
Mutation
c)
Non Random Mating
d)
Gene Flow (Migration)
148.
What is the point of evolution?
a)
For a species to change for the better with its environment.
b)
For a species to reproduce more effectively.
c)
To increase the chances of having an immunity to a disease.
d)
It does not matter because humans exist.
149.
A Species of bird has traveled to Birmingham from Canada, and they reproduce with local bird species. Which mechanism BEST fits this?
a)
Gene flow/migration
b)
Genetic recombination
c)
Both
d)
Neither of these
150.
How are evolution and diversity related
a)
things and traits change over time which creates diversity in the popluation
b)
they have no relation
c)
they both cause fossils
d)
they are the same thing
151.
Is non-random mating beneficial to the theory of evolution?
a)
Yes, it allows more species to get created and for species to adapt and survive
b)
No
c)
Yes it allows species to mate with whoever they desire
d)
both A and C
152.
A change in traits that can be good or bad to the organism that can cause death
a)
Genetic Drift
b)
Non Random Mating
c)
Natural selection
d)
Mutations
153.
What is natural selection?
a)
Where animals pick their mate intentionally.
b)
Where animals move habitats.
c)
When the strongest of a species survives.
d)
When the DNA of an animal randomly changes.
154.
Why is Evolution important?
a)
It creates genetic diversity
b)
It causes adaptations for survival
c)
It gets rid of species that can't survive/too weak
d)
All of the above
155.
Is natural selection beneficial, if so why
a)
its harmful
b)
no, it takes away species
c)
yes, it creates new species
d)
yes, helps organisms adapt
156.
what is Gene flow
a)
migration
b)
same thing as genetic drift
c)
movement of populations in or out of a certain area
d)
A and C
157.
Humans use this and it causes less diversity when making children
a)
Gene flow
b)
Non Random Mating
c)
Natural Selection
d)
Genetic drift
158.
What is Gene flow?
a)
The movement of species to different locations.
b)
DNA continues to flow around.
c)
Where a natural disaster causes a change in the genetic variation of a species.
d)
Where animals pick their mate intentionally.
159.
What Is evolution?
a)
change in species over time
b)
change in a population over time
c)
quick change in bacteria
d)
quick change from mutations
160.
Which organism uses asexual reproduction
a)
lions
b)
dogs
c)
trees
d)
brittle star
161.
What is a benefit to sexual reproduction?
a)
genetic diversity
b)
rapid population increase
c)
no mate is necessary
d)
all of the above
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