WorksheetsEvolution
Total questions: 40
Worksheet time: 1hrs 8mins
Name
Class
Date
1.
Which of the following is a term for a group of similar organisms that can reproduce fertile offspring?
a)
individual
b)
population
c)
species
d)
fossil
2.
The difference in the physical traits of an individual from those of other individuals in a group is called a(n)
a)
change
b)
adaption
c)
species
d)
variation
3.
All rabbits living in a particular area would be an example of a(n)
a)
population
b)
species
c)
fossil
d)
individual organism
4.
a measure of how commonly a particular allele occurs in a population is known as the
a)
gene pool
b)
allele frequency
c)
mutation rate
d)
phenotype
5.
The five-factors gene flow, genetic drift, mutation, natural selection and ....
a)
non-random mating
b)
controlled mating
c)
emigration
d)
immigration
6.
Mutations are important because they bring about
a)
death of the organism in which they develop
b)
genetic variation needed for a population to evolve
c)
benefits for the individual, not for the population
d)
Hardey-Weinberg equilibrium within a population
7.
What is speciation?
a)
combining of tow species to form one with different traits
b)
isolation that affects mating behaviors
c)
timing of mating that prevents normal sexual selection
d)
divergence of two or more species from an existing one
8.
An earthquake causes an ocean channel top open and separate an island into two. the species on each section are now in
a)
geographic isoliation
b)
behavioral isolation
c)
disruptive selection
d)
temporal isolation
9.
What kid of isolation occurs when two populations of birds have different courtship dances?
a)
geographic
b)
sexual
c)
temporal
d)
behavioral
10.
two species are in different environments and look very similar. However, that are not closely related (analogous). Their resemblance is most likely an example of.
a)
sexual selection
b)
temporal isolation
c)
convergent evolution
d)
divergent evolution
11.
asexual reproduction produces offspring with
a)
half of a single parent's genes
b)
the same genes as the parent
c)
a mix of genes from two parents
d)
lots of genetic variation
12.
What is the process in which humans breed organisms for certain traits?
a)
natural selection
b)
inheritance
c)
artificial selection
d)
descent withOUT modification
13.
Natural selection results in change over time by acting on traits that are
a)
heritable
b)
new
c)
mutated
d)
better than the best
14.
Favors the middle of the population.
a)
Disruptive selection
b)
Stabilizing selection
c)
Directional selection
15.
Middle is wiped out, extremes survive.
Red is previous, blue represents the change.
Red is previous, blue represents the change.
a)
Stabilizing selection
b)
Disruptive selection
c)
Directional selection
16.
The entire curve moves in one direction or the other. Red is previous, blue represents the change.
a)
Stabilizing selection
b)
Disruptive selection
c)
Directional selection
17.
Which of the following explains how natural selection causes a trait to become predominant in a population?
a)
Individuals with traits that are favorable to the environment reproduce more.
b)
Traits of an individual change in order to adapt to changes in enviornment.
c)
organisms select which traits they wish to inherit
d)
all of these answers
18.
Why would a population with a large amount of genetic variation be more likely to survive a severe climate change in its environment?
a)
Individuals will only create offspring well-suited to the climate change
b)
The individuals would produce more offspring
c)
Individuals better suited to the new climate will help less-suited individuals survive
d)
Some individuals will posses traits better suited to the new climate and be more likely to pass them on
19.
Which of the following is an example of gene flow?
a)
A subordinate wolf successfully challenges the alpha male and mates with pack females
b)
A deer picks up spores from a plant as it grazes and deposits them next to that plant.
c)
A young stallion is driven out of its herd by the alpha stallion and begins its own herd in another location
d)
All of these answers
20.
Physical separation of a population, leading to speciation.
a)
reproductive isolation
b)
geographic isolation
c)
speciation
d)
gene pool
21.
A population moving from on place to another.
a)
speciation
b)
geographic isolation
c)
genetic drift
d)
migration
22.
The idea that evolution seems to occur in spurts of time.
a)
stabilizing selection
b)
directional selection
c)
disruptive selection
d)
puntuated equilibrium
23.
A farmer's use of the best livestock for breeding is an example of
a)
natural selection
b)
artificial selection
c)
extinction
d)
adaptation
24.
Which of the following does NOT provide evidence for evolution?
a)
fossil record
b)
natural variation within a species
c)
geographical distribution of living things
d)
homologous structures of living organisms
25.
Which process produced the two different types of beaks in the ground finch and the tree finch?
a)
artificial selection
b)
geographical distribution
c)
natural selection
d)
disuse of the beak
26.
The combined genetic information of all members of a particular population forms a
a)
gene pool
b)
niche
c)
phenotype
d)
population
27.
The number of times an allele occurs in a gene pool compared to the total number of times all alleles for the same gene occur is called a(n)
a)
allele frequency
b)
genotype
c)
polygenic trait
d)
genetic drift
28.
Any change in the relative frequency of alleles in the gene pool of a population over time is known as
a)
variation
b)
evolution
c)
stabilizing selection
d)
Founder effect
29.
How does genetic recombination through sexual reproduction (randomness of sperm fertilizing egg) affect variation?
a)
increases it
b)
decreases it
c)
maintains it
30.
If coat color in a rabbit population is a polygenic trait, which process might have produced the graph below?
a)
disruptive selection
b)
stabilizing selection
c)
directional selection
d)
genetic equilibrium
31.
A random change in a small population's allele frequency is known as
a)
a gene pool
b)
genetic drift
c)
variation
d)
fitness
32.
The type of genetic drift that follows the colonization of a new habitat by a small group of individuals is called
a)
the Hardy-Weinburg principle
b)
the founder effect
c)
directional selection
d)
the bottleneck effect
33.
The geographic isolation of two populations of a species tends to increase differences between their gene pools because it
a)
prevents interbreeding between the populations
b)
causes the formation of hybrids
c)
causes tmeporal isolation of the two populations
d)
increases differences in courtship behavior
34.
What type of genetic drift occurs when the population size is greatly decreased?
a)
Founder's Effect
b)
Bottleneck Effect
c)
Intrasexual Selection
d)
Intersexual Selection
35.
When there are more organisms than the environment can support.
a)
Genetic Variation
b)
Evolution
c)
Adaptation
d)
Overproduction
36.
The changes an organism make to its behavior or body structure to be better suited for survival in an environment.
a)
Adaptation
b)
Behavior
c)
Fossil
d)
Nutrient
37.
What are the two main sources of genetic variation in living things?
a)
Equilibrium and Relative Frequency
b)
Mutations and Gene Shuffling
c)
Single-gene and Polygenic traits
d)
Asexual Reproduction and Gene Pools
38.
Why would a population with a large amount of genetic variation be more likely to survive a severe climate change in its environment?
a)
Individuals will only create offspring well-suited to the climate change
b)
The individuals would produce more offspring
c)
Individuals better suited to the new climate will help less-suited individuals survive
d)
Some individuals will posses traits better suited to the new climate and be more likely to pass them on
39.
What kid of isolation occurs when two populations of birds have different courtship dances?
a)
geographic
b)
sexual
c)
temporal
d)
behavioral
40.
The idea that evolution seems to occur slowly over long periods of time.
a)
stabilization
b)
gradualism
c)
catastrophism
d)
puntuated equilibrium
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