Q. What does Darwin's theory of evolution suggest?
a)
b)
c)
d)
species change over time
extinct species are not related to living species
different species can interbreed
animals that look alike are most closely related
Q. The name of Darwin's first publication was
a)
b)
c)
d)
Inheritance of Acquired Traits
Human Evolution
On the Origin of Species
My Voyage on the Beagle
Q. The idea that acquired characteristics are passed to later generations was developed by...
a)
b)
c)
d)
Darwin
Aristotle
Lamarck
Buffon
Q. In what major way did Darwin's ideas diverge from Lamarck's?
a) Lamarck thought changes to an individual animal during its lifetime would be passed on
to offspring
b) Lamarck believed that environmental pressures drive evolution
c) Lamarck thought that animals would not have had time to evolve in Earth's short history
d) Lamarck did not believe that species could change over time
Q. What motivated Darwin to finally publish his work?
a)
b)
c)
d)
His friend Thomas Huxley
His wife Emma
Reading a similar paper by Wallace
The church
Q. Which term refers to the process by which individuals that are better suited to the
environment survive and reproduce therefore passing down their genes to their offspring?
a)
b)
c)
d)
Evolution
Variation
Adaptation
Natural Selection
Q. Genetic differences between organisms of the same species
a)
b)
c)
d)
Variation
Adaptation
Behavior
Environment
Q. Why are advantageous traits more likely to be passed onto offspring?
a)
b)
c)
d)
Because they are more likely to survive and reproduce.
Because they come from dominant alleles.
Because they come from recessive alleles.
Because the trait is an acquired phenotype.
Q. Genetic drift is change in the allele frequency of a population due to...
a)
b)
c)
d)
random chance
natural selection
non-random mating (sexual selection)
artificial selection
Q. Genetic Drift is more likely to happen in...
a)
b)
c)
d)
aquatic populations
small populations
terrestrial populations
older populations
Q. This mechanism of evolution occurs when populations migrate.
a)
b)
c)
d)
Extinction
Gene flow
Genetic drift
Natural Selection
Q. What is the name of the process in which the most favorable traits are passed onto the next
generation?
a)
b)
c)
d)
Genetic drift
Gene pool
Gene flow
Natural selection
Q. The type of genetic drift that follows the colonization of a new habitat by a small group of
individuals is called
a)
b)
c)
d)
the Hardy-Weinberg principle
the founder effect
directional selection
the bottleneck effect
Q. What is this an example of?
a)
b)
c)
d)
diversity of species
variation
vestigial structures
DNA studies
Q. Which of the following is an example of the founder effect?
a)
b)
c)
d)
Bald Eagles are hunted until near extinction, population recovers.
Small group of iguanas floats to an island, starts a new population.
Red fox pups are more likely to survive in a snowy environment if they are born white.
Farmer chooses seeds from largest apples to plant next year. This results in larger apples
from year to year.
Q. Which of the following is an example of natural selection?
a) Bald Eagles are hunted until near extinction, population recovers.
b) Small group of iguanas floats to an island, starts a new population.
c) Red fox pups are more likely to survive in a snowy environment if they are born white.
d) Farmer chooses seeds from largest apples to plant next year. This results in larger apples
from year to year.
Q. According to natural selection, light colored tree trunks would
favor
a)
b)
c)
d)
light colored moths
dark colored moths
red colored moths
red and light colored moths
Q. All the possible gene combinations in a population.
a)
b)
c)
d)
allele
gene pool
genome
mitosis
Q. A _______________________ consists of a group of individuals that belong to the same
species and that live in a particular area.
a)
b)
c)
d)
Community
Niche
Population
None of the above
Q. _______________________ is the moving of genes from one population to another
population of a species.
a)
b)
c)
d)
Genetic Drift
Gene Flow
Recombination
Speciation
Q. A _____________________ involves a change in the genetic code of an organism. Because
this change occurs in the genetic code, it is passed on to future generations.
a)
b)
c)
d)
Morphology
Mutation
Gene Flow
Genetic Drift
Q. Both mutations and recombination are responsible for the development of ____________ in
and among species.
a)
b)
c)
d)
Diversity
Adaptations
Niches
Heredity
Q. Because of diversity, a species is more likely to consist of organisms that have the traits that
turn out to be __________________ for survival.
a)
b)
c)
d)
Little Help
Adaptations
Defective
Too Complex
Q. Which of the following is true of genetic drift?
a)
b)
c)
d)
It can decrease genetic diversity in a population
It is necessary in order for a population to be in equilibrium
It can increase genetic diversity in a population
It plays a much larger role in determining the genetic makeup of populations than natural
selection
Q. Which of these cause a variety in a species?
a)
b)
c)
d)
limiting factors
variety of food sources
asexual reproduction
sexual reproduction
Q. What type of selection is this?
a)
b)
c)
d)
Directional Selection
Stabilizing Selection
Disruptive Selection
Natural Selection
Q. What type of selection is this?
a)
b)
c)
d)
Directional Selection
Stabilizing Selection
Disruptive Selection
Natural Selection
Q. What type of selection is this?
a) Directional Selection
b) Stabilizing Selection
c) Disruptive Selection
d) Natural Selection
Q. If finches with large beaks and finches with small beaks increase in a population while
finches with average sized beaks decreases, which pattern of natural selection has occurred?
a) Directional selection
b) Disruptive selection
c) Stabilizing selection
Q. Which is a mechanism for change in allele frequency?
a)
b)
c)
d)
gene flow
genetic drift
natural selection
all answers are correct
Q. When a population is in Hardy-Weinberg Equilibrium. What is not happening to the species?
a)
b)
c)
d)
Survival
Reproduction
Death
Evolution
Q. What does the Hardy-Weinberg equilibrium measure?
a)
b)
c)
d)
changes in allele frequencies
numbers of mutations
goodness of fit
genetic diversity
Q. In the Hardy-Weinberg theorem, p refers to what?
a)
b)
c)
d)
The frequency of the dominant allele.
The frequency of the homozygous genotype.
The frequency of the recessive allele.
The frequency of the homozygous dominant.
Q. Gene flow occurs...
a)
b)
c)
d)
...when natural forces act on existing variation
...when two populations mix, but do not mate
...when new individuals are added to a population
...when a population is split
Q. Which of the following is not true of genetic drift?
a) It results from the random transmission of alleles from parents to offspring in a
population
b) It can lead to alleles being fixed in a population
c) It can increase the genetic diversity of a population
d) It can lead to loss of alleles in a population
Q. Male peacocks have beautiful blue and green plumage. However, this coloration makes them
easier for tigers to hunt and kill. Why might they have these colors?
a)
b)
c)
d)
Sexual preference by female peacocks
Genetic drift randomly killed off all brown peacocks
Peacocks mated with parrots a long time ago
There is no reason - it's a horrible mutation with no advantage
Q. In the Hardy-Weinberg Equation, q2 is the frequency of what?
a)
b)
c)
d)
The recessive allele
the dominant allele
the recessive genotype
the dominant genotype
Q. Which Hardy-Weinberg factor represents the frequency of heterozygous individuals in a
population?
a)
b)
c)
d)
p2
2pq
q2
p2 + 2pq
Q. Which of the following is an example of the bottle neck effect?
a) Bald Eagles are hunted until near extinction, population recovers.
b) Small group of iguanas floats to an island, starts a new population.
c) Red fox pups are more likely to survive in a snowy environment if they are born white.
d) Farmer chooses seeds from largest apples to plant next year. This results in larger apples
from year to year.
Q. Genetic drift (bottleneck or founder) tends to ___________ genetic variation (diversity)
a)
b)
c)
d)
Increase
Decrease
Stabilize
Exaggerate
Q. 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. This adaptation is becoming more frequent in the population. What mechanism of
evolution is this?
a)
b)
c)
d)
Natural Selection
Non-random mating
Gene Flow
Genetic Drift
Q. Which of the following is true?
a)
b)
c)
d)
Gene pool frequencies do not change as a result of migration in or out of a population.
Gene flow occurs only as a result of isolation of a small population.
Gene flow can cause new alleles to enter a population's gene pool.
Gene flow is due the the selection of the most favorable traits.
Q. A population of rabbits can have brown fur and white fur with brown fur being the dominant
allele. By random chance, the offspring may all be brown and this could reduce or eliminate the
allele for white fur. This scenario is shows
a) gene migration
b) inbreeding
c) Genetic drift
d) Adaptation
Q. The effects of natural selection may be countered by
a)
b)
c)
d)
Gene flow
Genetic drift
Mutation
Non -random mating
Q. This mechanism of evolution occurs when populations migrate.
a)
b)
c)
d)
Extinction
Gene flow
Genetic drift
Natural Selection
Q. which of the following statements does not describe natural selection:
a) Natural selection can increase the proportion of favorable traits in a population
b) Humans have modified many species by selectively breeding individual species to
develop new species with specific, desired characteristics
c) Individual organisms with certain characteristics are more fit for their environment than
organisms without certain characteristics. The organisms with the best suited
characteristics for their environment will live to reproduce, and pass those characteristic
on to their offspring
d) If a group of organisms relocates to a new environment, or if its current environment
changes, the organisms that have a higher fitness in the new environment will leave more
offspring and may, over time, give rise to a new species.
Q. A blonde-haired, blue-eyed family from Sweden moves to India where the children grow up,
marry Indians and produce offspring who now have the blonde-haired, blue-eyed alleles. This is
an example of
a)
b)
c)
d)
Gene flow
Genetic drift
Mutation
Natural selection
Q. Which mechanism shows genes leaving (immigration) or
coming into (emigration) a gene pool?
a)
b)
c)
d)
mutations
natural selection
gene flow
non-random mating
Q. crossing of dogs of the same breed to continue to have dogs with common characteristics
is an example of non random mating


True
False
Q. ________ can be beneficial, neutral, or harmful for the organism, but _________ do not "try"
to supply what the organism "needs. What answer choice correctly fills in the blank?
answer choices
a)
b)
c)
d)
Gene migration
Mutation
Natural selection
Inbreeding
Q. T3. All of the genetic information found in a population.
a)
b)
c)
d)
population
genetic drift
evolution
gene pool
Q. Genetic variation can arise from a random change in the DNA
of a gene. The change is called a(n)
a)
b)
c)
d)
mutation
gene flow
gene pool
allele
Q. T5. 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)
b)
c)
d)
Genetic Drift
Natural Selection
Non-random mating
Mutation
Q. Yellow toucan birds seek out one another to make babies together and tend to avoid the green
toucan birds.
a)
b)
c)
d)
Genetic Drift
Non-random mating
Gene flow
Mutation
Which of the following statements is true?
a)
Gene pool frequencies do not change as a result of migrations in or out of a population.
b)
Gene flow occurs only as a result of migrations.
c)
Gene flow can cause new alleles to enter a population's gene pool
Which of the following cannot cause evolution?
a)
genetic drift
b)
non-random mating
c)
gene flow
d)
all can cause evolution
Which of the following can introduce new alleles into a population's gene pool?
a)
mutation
b)
natural selection
c)
gene flow
d)
A and C