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Taxonomy & Evolution Test Review

Total questions: 124

Worksheet time: 1hrs 14mins

Name
Class
Date
1.

Why do scientists prefer to use scientific names over common names?

a)

To sound smart

b)

To get information on the organisms phylum

c)

To avoid confusion

d)

People are more familiar with scientific names

2.

A eukaryotic, multicellular, motile heterotroph would belong to which kingdom?

a)

Archaea

b)

Animalia

c)

Protista

d)

Plantae

3.

What is the order to taxa in the classification system from the largest group to the smallest?

a)

Domain, Phylum, Order, Kingdom, Class, Genus, Family, Species

b)

Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species

c)

Species, Genus, Family, Order, Class, Phylum, Kingdom, Domain

d)

Species, Domain, Phylum, Kingdom, Order, Family, Genus

4.

What is the main visible difference between prokaryotic and eukaryotic cells?

a)

Eukaryotic cells have a nucleus

b)

Eukaryotic cells are generally smaller

c)

Prokaryotic cells are more complex

d)

Eukaryotic cells have a cell wall

5.

Based on this cladogram, which trait do sharks share with primates?

a)

Amniotic egg

b)

Four limbs

c)

Vertebrae

d)

Hair

6.

What is a dichotomous key, and what is it used for?

a)

A tool to help classify an unknown organism

b)

A timeline that shows when traits developed

c)

A graph that shows the evolution of a species

d)

A tool that helps determine an organisms close relatives

7.

Which kingdoms contain organisms with eukaryotic cells?

a)

Animalia

b)

Fungi

c)

Protista

d)

Plantae

e)

All of the above

8.

Which two kingdoms are composed of only prokaryotic organisms?

a)

Protista and Eubacteria

b)

Protista and Fungi

c)

Eubacteria and Archaea

d)

Archaea and Fungi

9.

Which kingdoms contain organisms with eukaryotic cells?

a)

Animalia

b)

Fungi

c)

Protista

d)

Plantae

e)

All of the above

10.

Which two kingdoms are composed of only prokaryotic organisms?

a)

Protista and Eubacteria

b)

Protista and Fungi

c)

Eubacteria and Archaea

d)

Archaea and Fungi

11.

How can scientists determine how closely species are related based off of the taxonomic classification system?

a)

By knowing that organisms in the same kingdom are the most closely related

b)

By comparing their traits and behaviors

c)

By looking for homologous structures

d)

By comparing how many taxons they share

12.

What traits do all plants share?

a)

unicellular

b)

photosynthetic

c)

no nucleus

d)

ability to move

13.

What traits do all members of the Animal kingdom share?

a)

Prokaryotic cells, autotrophic

b)

Eukaryotic, heterotrophic, ability to move

c)

Eukaryotic, heterotrophic decomposers

d)

Eukaryotic, autotrophic organisms

14.

Which level of the taxonomic naming system is the most inclusive?

a)

Species

b)

Phylum

c)

Domain

d)

Family

15.

What trait is common to all organisms of the Fungi kingdom?

a)

autotrophic processes

b)

photosynthesis

c)

ability to move

d)

heterotrophic decomposers

16.

Organisms sharing the same ___________ name would be more closely related.

a)

Genus

b)

Family

c)

Class

d)

Kingdom

17.

What makes up an organism's scientific name in the binomial nomenclature system?

a)

phylum name + kingdom name

b)

species name only

c)

genus name + species name

d)

order name + family name

18.

What is taxonomy and what is it used for?

a)

It is the practice of stuffing and preserving dead animals

b)

It is a system that determines the relationships and interactions between organisms living in the same environment

c)

It is a system used to name and classify organisms into similar groups

d)

A test used to determine the evolutionary history of an organism

19.

Based on this dichotomous key, what is the identity of leaf A?

a)

Spruce

b)

White oak

c)

Magnolia

d)

Walnut

20.

Which taxa directly follows class?

a)

Kingdom

b)

Order

c)

Species

d)

Family

21.
If the same antibiotic is used too many times, it can become less effective against a certain type of bacteria. This observation is best explained by the
a)
production of antibiotics by white blood cells
b)
replication of viruses that attack bacteria
c)
presence of pathogens in antibiotics
d)
survival and reproduction of resistant (unaffected) bacteria
22.

Which of the following is Thomas Malthus’ contribution to Charles Darwin’s theory of evolution?

a)

The earth is of a very old age proven by the number of rock layers.

b)

The earth’s geography has been shaped by slow processes

c)

Organisms mutate new parts as they need them.

d)

Populations tend to overpopulate and compete.

23.

In the 1800s Jean-Baptiste Lamarck offered a hypothesis about evolution called the inheritance of acquired characteristics. Which of the following is an example of how Lamarck thought animals evolved?

a)

Fish mutated the genes necessary to develop lungs and were able to eventually survive on land.

b)

Giraffes once had short necks and stretched them reaching for leaves on trees, later passing the longer neck trait to their offspring.

c)

Dark moths, once outnumbered by light moths, began to survive longer and reproduce more after the industrial revolution turned the trees black.

d)

The earth has been here so long that animals have had plenty of time to adapt to their environment through natural selection.

24.

Which of the following men developed a theory of evolution very similar to Charles Darwin’s around the same time that Darwin developed his theory?

a)

Malthus

b)

Lyell

c)

Lamarck

d)

Wallace

25.
Where the better adapted organisms survive to pass traits along to offspring.
a)
Evolution
b)
Natural Selection
c)
Extinction
d)
Artifical Selection
26.

What is an inherited characteristic that helps organisms survive?

a)

Evolution

b)

Adaptation

c)

Natural Selection

d)

Extinction

27.

A body, organ, or bone that is still present but no longer useful to the organism is ______________________.

a)

Homologous Structure

b)

Vestigial Structure

28.

A body, organ, or bone that is still present but no longer useful to the organism is ______________________.

a)

Homologous Structure

b)

Vestigial Structure

29.

Father of evolution who believed that a process called natural selection explains how organisms evolved over time.

a)

Carolus Linnaeus

b)

Charles Darwin

c)

Charles Lyell

d)

Thomas Malthus

30.

Scientists who formed amino acids and other simple organic compounds in a laboratory experiment with ammonia, methane, hydrogen and H2O

a)

Hutton and Lyell

b)

Miller and Urey

c)

Chapman and Kaufman

d)

Oparin and Haldane

31.

Father of taxonomy (naming organisms) who classified organisms using groups within groups.

a)

Charles Darwin

b)

Jean-Baptiste de Lammark

c)

Charles Lyell

d)

Carolus Linnaeus

32.

States that some of the organelles in eukaryotic cells were once prokaryotic microbes because mitochondria and chloroplasts are the same size as prokaryotic cells, have theor own DNA and divide by binary fission

a)

Organic Evolutionary Theory

b)

Cell Theory

c)

Cellular Selection

d)

Endosymbiotic Theory

33.
Which layer is the youngest
a)
1
b)
2
c)
3
d)
4
34.

Similar structures with different purposes found in different species are known as _____

a)

vestigial structures

b)

DNA

c)

homologous structures

d)

the fossil record

35.

The picture shows a/an ___________

a)

homologous structure

b)

vestigial structure

36.

What is this an example of?

a)

Homologous structure

b)

Analogous structure

c)

Vestigial organs

d)

Functional adaption

37.
Which of the following is an example of a vestigial structure?
a)
the wings of a red-tailed hawk
b)
the hind limbs of a house cat
c)
the fins of sharks
d)
the tailbone of a human
38.
How do fossils provide evidence that evolution has happened on Earth?
a)
Fossils show how the sizes of certain animals has changed drastically over millions of years
b)
Fossils show that some species have gone extinct
c)
Fossils show how life forms present today are different than those from the past
d)
Different sedimentary rock layers provide evidence for how the environment has changed over time
39.

Study of developmental stages of various organisms to suggest a common ancestor because of similarities from fertilization to birth

a)

comparative anatomy

b)

embryology

c)

molecular biology

d)

evolution

40.

If modern organisms have a lot of homologous structures, what inference might paleontologists make about those organisms?

a)

They are reptiles

b)

One organism evolved from the other.

c)

The organisms likely shared a common ancestor

d)

The organisms can breed with one another

41.
The diagram illustrates an embryonic stage of two organisms.

Which of the following can be determined by observing the embryos shown in the diagram
a)
The organisms share a common ancestry.
b)
The organisms belong to the same genus.
c)
The organisms are native to the same geographic areas.
d)
The organisms will grow into anatomically similar adults.
42.
Predict which moth would increase in population
a)
light 
b)
dark
43.

Some organisms have features that have different functions, but similar structures. One example is the forelimb of humans, dogs, birds, and whales. What term best describes the relationship between these forelimbs?

a)

They are homologous.

b)

They are vestigial.

c)

They are analogous.

d)

They are embryological.

44.

How do fossils support evolution?

a)

Individual species disappear and reappear in the fossil record over time.

b)

Organisms in the fossil record are identical to living organisms.

c)

The fossil record provides evidence that all organisms developed at the same time.

d)

The fossil record provides evidence that organisms have changed over time.

45.

What is the term for a feature that allows an organism to better survive and reproduce in its environment?

a)

adaptation

b)

variation

c)

homologous structure

d)

vestigial structure

46.

The hypothesis that evolution of a species occurs in periods of rapid growth separated by periods of little or no change is called --

a)

divergence

b)

punctuated equilibrium

c)

gradualism

d)

isolation

47.

Which of the following statements gives the most likely explanation for the presence of two very similar species of squirrels living on opposite sides of the Grand Canyon?

a)

One squirrel traveled across the canyon and started a new population on the other side.

b)

Members of one single squirrel species were geographically separated by the formation of the canyon.

c)

One squirrel traveled across the canyon and interbred with a different population on the other side.

d)

Members of two different squirrel species migrated from two different places to opposite sides of the canyon.

48.

The hypothesis that evolution of a species occurs gradually over time as a slow and constant process is known as --

a)

gradualism.

b)

speciation.

c)

punctuated equilibrium.

d)

microevolution.

49.

A population of chimpanzees was separated when the forest they had lived in had a section cut down and a town was built. After a long period of time, the chimpanzees came back into contact but were incapable of breeding. Which of the following best describes the process that occurred?

a)

speciation

b)

adaptation

c)

gradualism

d)

punctuated equilibrium

50.

The gradual change in a species over a long time. It happens because of variations in genetic material that is passed down from parents to offspring

a)

Evolution

b)

Natural Selection

c)

Genetic Variation

d)

Limiting Factors

e)

Overproduction

51.

Organisms that are best suited to an environment will survive and reproduce.

a)

Evolution

b)

Natural Selection

c)

Genetic Variation

d)

Limiting Factors

e)

Overproduction

52.

Producing more offspring than necessary to ensure that some

survive. Ex: sea turtles lay over 100 eggs,

because many die before adulthood

a)

Adaptation

b)

Natural Selection

c)

Genetic Variation

d)

Limiting Factors

e)

Overproduction

53.

Within a species there

are differences in traits caused by non-

harmful mutations.

a)

Adaptation

b)

Natural Selection

c)

Genetic Variation

d)

Limiting Factors

e)

Overproduction

54.
A characteristic that improves an individual's ability to survive and reproduce in a particular environment.
a)
Ancestor
b)
Adaptation
c)
Descendant
d)
Fossil
55.
Charles Darwin came up with this theory 
a)
Natural Selection
b)
Mutation
56.

Breeding dogs and cats are examples of

a)

natural selection

b)

evolution

c)

acquiring traits

d)

artificial selection

57.

Darwin observed many finch species on the Galapagos Islands. To explain these observations, he

proposed that each species evolved from the same common ancestor, which was a finch species

that migrated to the islands from the mainland. What additional evidence did Darwin use to support

his explanation?

a)

The finch populations were very numerous, and different species often bred with one another.

b)

The finch species lived in different habitats on different islands, which isolated them from one another.

c)

The finch species were distributed evenly among all of the islands, but did not interbreed.

d)

The beaks of the finches were identical, allowing them to eat the same foods on any of the islands.

58.

A population of rabbits grows rapidly from one year to the next. Then one year, a disease strikes approximately one fourth of the adult rabbits. The disease remains with the population in the years that follow.

As explained by Darwin’s theory, which of these conditions allows the rabbit population to evolve by natural selection?

a)

The disease affects adult and juvenile rabbits equally.

b)

The disease reduces the ability of the rabbits to reproduce.

c)

Some rabbits are resistant to the disease, and they pass the resistance to their offspring.

d)

No rabbits are resistant to the disease, and all die when the disease strikes them.

59.
The death of every member of a species
a)
The flu
b)
epidemic
c)
extinct
d)
population
60.
Describes a patter of long, stable periods interrupted by brief periods of more rapid change
a)
convergent evolution
b)
coevolution
c)
punctuated equilibrium
d)
adaptive radiation
61.
What is convergent evolution?
a)
evolution toward similar traits in unrelated species
b)
evolution toward different traits in closely related species
c)
elimination of a species from Earth
d)
the rise of two or more species from one existing species
62.
Sharks and dolphins both have streamlined bodies that allow them to move through water efficiently, this is an example of which type of evolution?
a)
Divergent
b)
Coevolution
c)
Convergent
d)
Artificial
63.
The evolution of an ancestral species into an array of species that occupy different niches
a)
convergent evolution
b)
coevolution
c)
speciation
d)
adaptive radiation
64.
 What type of evolution is demonstrated in this photo?
a)
Coevolution
b)
Convergent evolution
c)
Punctuated evolution
d)
Gradualistic evolution
65.
In convergent evolution, organisms share physical similarities because they 
a)
have a common ancestor
b)
live in the same enviornment
c)
develop homologous structures
d)
are closely related 
66.
A few deer wander out of their native woods into a completely new park where no deer had ever been before. They go on to create an entirely new population.
a)
Genetic Drift
b)
Natural Selection
c)
Non-random mating
d)
Mutation
67.
Five hundred years after the deer had established a flourishing population in the park, a few of them venture back to their original woods and have babies with the deer there.
a)
Genetic Drift
b)
Mutations
c)
Non-random mating
d)
Gene flow
68.
Bats are common in Texas, especially in rocky regions. Bats with longer hang claws have demonstrated higher fitness because of their ability to cling to rock while resting.
a)
Adaptation
b)
Non-random mating
c)
Gene Flow
d)
Mutation
69.
What does the picture represent?
a)
Founder Effect
b)
Mutations
c)
Bottleneck effect
d)
Gene Flow
70.
What does the image represent?
a)
Founder effect
b)
Bottleneck effect
c)
Mutation
d)
Natural Selection
71.
What does the image represent?
a)
Gene flow
b)
Gene drift
c)
Mutation
d)
Adaptation
72.

A species of spider is an average of 5 cm long. Any longer and it has trouble hiding from birds. Any smaller and it has trouble catching prey. What type of selection is this?

a)

Stabilizing

b)

Directional

c)

Disruptive.

73.

Individuals who enter or leave a population, taking their alleles with them are contributing to:

a)

Gene flow

b)

Genetic Bottleneck

c)

Founder effect

74.

Some female peacocks prefer males with large, colorful tales while other female peacocks prefer males with no tail at all. Females are now mating only with the tail they prefer. What type of reproductive barrier is this?

a)

behavioral isolation

b)

reduced hybrid sterility

c)

temporal isolation

d)

mechanical isolation

75.
A flash flood carried a raft of Amazon ants away from their original population. There is enough distance between the two groups, that they will never meet in nature again. What type of reproductive barrier is this?
a)
behavioral isolation
b)
temporal isolation 
c)
gametic isolation
d)
geographic isolation 
76.
Gentoo penguins will present a mate with a pebble that they find to attract a mate. Emperor penguins have a specific call and movement that they make to attract a mate. Which type of isolation do these penguins demonstrate?
a)
temporal isolation 
b)
behavioral isolation
c)
geographical isolation
d)
anatomical isolation
77.

Which of the following examples of Reproductive Isolation depends on the timing of breeding to be compatible between mates?

a)

Mechanical

b)

Temporal

c)

Behavioral

d)

Gametic

78.
What is a species? 
a)
A group of organisms that can mate with each other and produce fertile offspring. 
b)
A group of organisms that can mate and produce offspring even if those offspring are infertile.
c)
A group of organisms that genetically are very different from each other. 
d)
Indivual organisms that live in the same environment. 
79.

Body parts that are structurally similar in related species ant that provide evidence for a common ancestor.

a)

petrified fossil

b)

homologous structure

c)

variation

d)

vestigial structure

80.

Process by which individuals that are better adapted to their environment are more likely to survive and reproduce than others of the same species

a)

punctuated equilibrium

b)

adaptation

c)

natural selection

d)

artificial selection

81.

Theory that species evolve during short periods of rapid change

a)

Gradualism

b)

Punctuated Equalibria

c)

Preserved Remains

d)

Natural Selection

82.

Any difference between individuals of the same species

a)

adaptations

b)

evolution

c)

variations

d)

homologous structures

83.

the evolution of a new species from an existing species

a)

extinction

b)

evolution

c)

speciation

d)

generation

84.

an organism's ability to withstand a harmful agent

a)

resistance

b)

antibiotic

c)

speciation

d)

evolution

85.

the combined genetic information of all members of a population

a)

gene flow

b)

gene pool

c)

evolution

d)

generation

86.

process by which populations of organisms with variations that help them survive in their environments live longer, compete better, and reproduce more than those that do not have variations

a)

natural selection

b)

biological evolution

c)

adaptations

d)

comparative anatomy

87.

process by which populations of organisms with variations that help them survive in their environments live longer, compete better, and reproduce more than those that do not have variations

a)

natural selection

b)

biological evolution

c)

adaptations

d)

comparative anatomy

88.

resemblance of one species to another species is

a)

camouflage

b)

mimicry

c)

adaptation

d)

trait

89.

body parts of organisms that are similar in structure and position but different in function

a)

homologous structures

b)

comparative anatomy

c)

analogous structure

d)

vestigial structure

90.

body parts that perform a similar function but differ in structure

a)

homologous structures

b)

analogous structures

c)

vestigial structures

d)

comparative anatomy

91.

an inability of organisms to interbreed due to geographic barriers

a)

reproductive isolation

b)

biodiversity

c)

analagous structures

d)

radioisotope dating

92.

Evolution is...

a)

changes over time in populations

b)

natural process that passes favorable traits

c)

historical timeline of fossils

d)

the process in which an animal dies out

93.
Bird wings and butterfly wings are an example of
a)
Homologous structure
b)
Analogous structure
c)
Mimicry
d)
Camoflague
94.

A change in an organism caused by a change in a gene or a chromosome.

a)

mutation

b)

fixation

c)

adaptation

d)

evolution

95.

A change in an organism that results from natural selection and allows them to become better fitted to survive and multiply in its environment.

a)

adaptation

b)

natural selection

c)

speciation

d)

genetic drift

96.

Random changes in the frequency of alleles in a gene pool, usually of small populations.

a)

genetic drift

b)

artificial selection

c)

adaptation

d)

microevolution

97.

Which best explains why the birds evolved with differently shaped beaks?

a)

They interbred with each other.

b)

Some birds had defective gene pools.

c)

All of the birds ate the same type of food.

d)

They adapted to eating different types of food.

98.

Select ALL of the correct answers.

Which of the following are a factor of evolution?

a)

overproduction

b)

change in environment

c)

intellegence

d)

natural selection

e)

embryology

99.

Sea turtles lay hundreds of eggs at a time, and only a few survive to adulthood. This is an example of which factor of evolution?

a)

variation

b)

genes

c)

overproduction

d)

environment

100.

Which example shows disruptive selection?

a)

Giraffe necks have become longer over time.

b)

Medium-sized beaks in hummingbirds have decreased in frequency over time.

c)

The peppered moth became less common in polluted environments.

d)

Human babies with a very high or a very low birth mass have a higher mortality rate.

101.

Natural selection is the process that passes down ____________________ traits.

a)

Same

b)

Old

c)

Useless

d)

Favorable

102.

Temporal isolation occurs when two different populations:

a)

develop different mating behavior

b)

become geographically separated

c)

reproduce at different times

d)

interbreed

103.

When a species environment favors one dominant type of characteristic to the point that the other variations of the trait start to disappear is called _____.

a)

disruptive selection

b)

directional selection

c)

stabilizing selection

d)

unstabilizing selection

104.
Genetic drift is change in the allele frequency of a population due to...
a)
random chance
b)
natural selection
c)
non-random mating (sexual selection)
d)
artificial selection
105.
 Genetic Drift is more likely to happen in... 
a)
aquatic populations
b)
small populations
c)
terrestrial populations
d)
older populations
106.
This mechanism of evolution occurs when populations migrate.
a)
Extinction
b)
Gene flow
c)
Genetic drift
d)
Natural Selection
107.
Happens only in small populations, and is the change in the frequency of a gene variant (allele) in a population due to random sampling of organisms.
a)
Extinction
b)
Genetic Drift
c)
Bottleneck Effect
d)
Founder Effect
108.

A hunter tends to kill the bigger individuals of a population for their meat or for large ornamental trophies. Therefore, the population tends to have more individuals who are smaller. What is this an example of?

a)

A. Directional selection

b)

B. Disruptive selection

c)

C. Natural selection

d)

D. Stabilizing selection

109.

The graph shows variations in beak size for the bird Geospiza fortis on an island in the Galápagos archipelago.

What evidence from the graph indicates that disruptive selection is occurring?

a)

A. An intermediate beak size is less common.

b)

B. Median beak size is the most common.

c)

C. Smaller beaks are favoured.

d)

D. Larger beaks are favoured.

110.

Fossil records show that black bears increased in size during the Ice Age and decreased in size with warmer temperatures. What type of selection do these changes in size represent?

a)

A. Allopatric

b)

B. Directional

c)

C. Disruptive

d)

D. Stabilizing

111.

Which of the following defines a gene pool?

a)

The sum of alleles in an individual of a given species

b)

An organism's complete set of DNA, including all of its genes.

c)

The degree of variation in alleles present in an interbreeding population

d)

The total collection of different alleles in an interbreeding population

112.
A population of animals is permanently split by a natural barrier into two separate populations in different environments. What will likely result after a long period of time?
a)
The two populations will evolve into separate species.
b)
The production of variations will stop in the two populations.
c)
Autotrophic nutrition will replace heterotrophic nutrition in the two populations.
d)
The evolution of the two populations will be identical.
113.
The graph represents the populations of two different species in an ecosystem over a period of several years.
Which statement is a possible explanation for the changes shown?
a)
Species A is better adapted to this environment.
b)
Species B is a parasite that has benefited species A.
c)
Species A is a predator of species B.
d)
Species B is better adapted to this environment.
114.
The diagram represents a species of bee that helps one type of orchid plant reproduce by carrying pollen on structure X from one orchid flower to another. Pollination by this species of bee is the only way the orchid can reproduce.
If this bee species dies out, this orchid species would most likely
a)
find another animal to carry the pollen
b)
flower at a different time of year
c)
develop another way to reproduce
d)
cease to exist
115.
A maple tree releases hundred of seeds in a single season.  This is 
a)
protection
b)
natural selection
c)
competition
d)
overproduction
116.
A certain type of mouse lives in burrows on sandy beaches.  The mouse has tan fur that is almost the same color as the sand.  This is an example of a(n)
a)
adaptation
b)
variation
c)
mutation
d)
extinction
117.
In order for a species to evolve, it must be able to
a)
be domesticated
b)
consume a large quantity of food
c)
maintain a constant body temperature
d)
reproduce successfully
118.
The diagram represents possible evolutionary pathways of certain organisms.
Which species is most closely related to species L?
a)
E
b)
F
c)
G 
d)
I
119.
The arrows in the diagram indicate the development of four different varieties of vegetable plants from wild mustard.
Each of these varieties was most likely produced as a result of
a)
selective breeding over many generations
b)
asexual reproduction in the wild for many years
c)
changes in light availability
d)
competition between plants
120.
The dichotomous key provides a way to classify some animals into groups according to their physical characteristics.
Which shows the correct classification group for each animal?
a)
Wasp - Group D
Ant - Group D
Tiger - Group A
Bird - Group B
b)
Wasp - Group B
Ant - Group A
Tiger - Group D
Bird - Group C
c)
Wasp - Group B
Ant - Group D
Tiger - Group A
Bird - Group C
d)
Wasp - Group D
Ant - Group A
Tiger - Group A
Bird - Group B
121.
Which of the following lists taxa from most specific to least specific?
a)
species, genus, family, order, class, phylum, kingdom, domain
b)
domain, kingdom, phylum, class, order, family, genus, species
c)
phylum, kingdom, class, family, order, species, genus, domain
d)
domain, genus, species, order, family, class, kingdom, phylum
122.
A genus is composed of a number of ___.
a)
kingdoms
b)
species
c)
classes
d)
orders
123.
Over time, mosquitos have become immune to certain kinds of pesticides. Which of the following correctly explains how this could happen?
a)
Mosquitos mutated in response to the pesticides.
b)
Mosquitos mutated and the mutations allowed some of them to become resistant.
c)
The mosquitos bred through artificial selection became resistant.
d)
The mosquitos interbred with another species and became resistant.
124.
What does the Hardy-Weinberg equilibrium measure?
a)
changes in allele frequencies
b)
numbers of mutations
c)
goodness of fit
d)
genetic diversity

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