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Evolution / Natural Selection

Total questions: 50

Worksheet time: 35mins

Name
Class
Date
1.
Who is the father of evolution?
a)
Darwin
b)
Mendel
c)
Newton
d)
Einstein
2.
What is a change in an organism that allows for it to survive in its environment?
a)
homologous
b)
vestigial
c)
variation
d)
adaptation
3.
When all of the organisms of a species have died it is called
a)
evolution
b)
extinction
c)
adaptation
d)
natural selection
4.
What is the study of organisms at the early stages of development?
a)
DNA studies
b)
embryology 
c)
extinction
d)
fossil record
5.
What is an organism that has similar characteristics and can reproduce?
a)
species
b)
organism
c)
embryology
d)
vestigial 
6.
What is this an example of?
a)
diversity of species
b)
variation
c)
vestigial structures
d)
DNA studies
7.
What is this an example of?
a)
vestigial structures
b)
embryology
c)
homologous structures
d)
fossil record
8.
Which layer is the oldest?
a)
1
b)
2
c)
3
d)
4
9.
Predict which moth would increase in population
a)
light 
b)
dark
10.
When the DNA of an organism is altered it is referred to as…
a)
Mutation
b)
Gene Flow
c)
Genetic Drift
d)
Sexual Selection
11.
When individuals choose traits possessed by the opposite sex it is called…
a)
Mutation
b)
Gene Flow
c)
Genetic Drift
d)
Sexual Selection
12.
The cause of artificial selection is…
a)
The environment
b)
Humans
c)
Mutation
d)
Gene Flow
13.
Darwin wrote that organisms with traits that are best suited to the environment will ________________
a)
increase in number
b)
become extinct
14.
Which of the following is NOT an example of natural selection? 
a)
People selectively breeding hamsters.
b)
Insect populations developing resistance to certain pesticides.
c)
Bacteria becoming resistant to antibiotics.
d)
Male birds of certain species developing colorful feathers to attract female mates.
15.
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)
Evolution 
b)
Variation 
c)
Adaptation
d)
Natural Selection 
16.
The environment around Manchester, England, changed during the Industrial Revolution.  How did this change affect peppered moths living in the area?
a)
Natural selection favored moths with dark wings because predators could not see them on the soot-colored trees.
b)
Natural selection favored moths with white wings that were easy for predators to see.
c)
Natural selection favored moths with white wings because predators could not see them on the soot-colored trees.
d)
Natural selection caused moths with white wings to become extinct.
17.
Two organisms that are closely related would have
a)
very similar DNA sequence
b)
exactly the same DNA sequences
c)
no proteins in common
d)
completely different DNA sequence
18.
A remnant or trace of an organism from the past is called a _______.
a)
Ancestor
b)
Skeleton
c)
Fossil
d)
Imprints
19.
Structures with the same parts have different functions; suggests that organisms share a common ancestry
a)
vestigial structures
b)
homologous structures
c)
adaptive radiation
d)
fossil
20.
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
21.
The diagram shows fossils in different rock layers. Which of these statements about the age of these fossils is most likely correct?
a)
Fossil A and C are the same age
b)
Fossil B is older than fossil C
c)
Fossils A is older than fossil B
d)
Fossil D is older than fossil C
22.
Why are advantageous traits more likely to be passed onto offspring?
a)
Because they are more likely to survive and reproduce.
b)
Because they come from dominant alleles.
c)
Because they come from recessive alleles.
d)
Because the trait is an acquired phenotype.
23.
The ability of an organism to survive and reproduce in its specific environment 
a)
diversity.
b)
evolution
c)
adaptation
d)
 fitness
24.
What characteristic did Darwin observe about the finches on the Galapagos Islands?
a)
Their feathers 
b)
Genotypes 
c)
Their beaks
d)
Their body sizes
25.
The white feathers of a snowy owl allow it to blend in with its environment during the winter months (snow). This is an example of ________________
a)
Species
b)
Environmental Change
c)
Adaptation
d)
Variation
26.
Darwin's expedition was called the Voyage of the _________.
a)
Titanic
b)
Beagle
27.
Which of the following is NOT a factor that affects the process of natural selection?
a)
Overpopulation
b)
Fossils
c)
Competition
d)
Variations
28.

Which of the following describes natural selection?

a)

it acts on genetic material directly

b)

it acts on existing physical traits

c)

it forms new traits

d)

it forms new genetic material

29.
which of the folllowing is an exammple 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 wings of an ostrich
30.

What is suggested by the anatomical similarity of different species of vertebrates?

a)

no evolutionary relationships between the groups

b)

recent common ancestry

c)

similar environments in the past

d)

evolution from a distant common ancestor

31.
If an organism has a vestigial structure, that structure likely once had a function in a(n)
a)
close relative
b)
early ancestor
c)
unrelated organism
d)
embryological stage
32.
protein sequences in one organism that resemble those of another suggest a 
a)
coincidence
b)
lack of evolutionary relationship
c)
great number of mutations
d)
shared ancestry
33.
What increases genetic variation when animals move  from one population to another
a)
genetic drift
b)
sexual selection
c)
bottleneck effect
d)
gene flow
34.

The five-factors for evolution are gene flow, genetic drift, mutation, natural selection and ....

a)

non-random mating

b)

controlled mating

c)

emigration

d)

immigration

35.
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
36.
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
37.

An earthquake causes an ocean channel top open and separate an island into two. the species on each section are now in

a)

geographic isolation

b)

behavioral isolation

c)

disruptive selection

d)

temporal isolation

38.
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
39.

The combined alleles of all individuals in a population is called the population's

a)

phenothype

b)

gene pool

c)

mutation rate

d)

allele frequency

40.

Natural selection could not occur without

a)

geographic isolation

b)

variation in the population

c)

stable environments

d)

competition for unlimited resources

41.
What do these three organisms have in common?
a)
They have stomachs of the same size
b)
They have DNA made up of the same components
c)
They have eyes that see the same ways
d)
They have brains that are the same size
42.
Which of the following statements best explains why some mosquitoes survived after the first spraying?
a)
Some mosquitoes had a genetic mutation that made them resistant to the insecticide
b)
A.  All mosquitoes had a genetic mutation that made them resistant to the insecticide
c)
A.  None of the mosquitoes had a genetic mutation that made them resistant to the pesticide
43.
The table shows the survival rate of two types of beetles in the same environment over a period of three years.  

Which statement about the beetles in this environment is best supported by the data?
a)
Brown beetles have a shorter life cycle than green beetles have
b)
Green beetles are more fit for their environment than brown beetles
c)
 brown beetles are undergo more unfavorable mutations than green beetles
44.
The green frog (Lithobates clamitans clamitans) is found in many parts of the United States. The table contains some information about this frog.
Why does the ability to lay 1,000 to 5,000 eggs increase the fitness of the species L. clamitans clamitans?
a)
A.  It increases the probability that some offspring will survive long enough to reproduce.
b)
It increases the chance of the recombination of alleles, leading to genetic drift in the population.
c)
A.  It increases opportunities for offspring to compete for limited resources.
45.
A prey population consists of individuals with a variety of running speeds.
The adaptation that allows some of these animals to run fast would be an example of natural selection if it helps them —
a)
survive and undergo mutations in their DNA
b)
produce offspring that run at average speeds
c)
reproduce and increase the frequency of their genes in the population
d)
lower the mortality rates of the population
46.
According to this data, the unknown bacterial species is most closely related to: 
a)
Species I
b)
Species II
c)
Species III
d)
Species IV
47.
Common baboons live on the savanna in breeding groups called troops. While females tend to stay with the troop, younger or less dominant males may leave to join a neighboring troop.
Which of these is a likely outcome of movement by young males? 
a)
Gene flow occurs between the populations
b)
relative genotypic frequencies reach a constant state
c)
Allele frequencies suddenly change
48.

Which adaptation below represents a behavioral adaptation?

a)

webbed feet

b)

sharp claws

c)

camouflage

d)

hibernation

49.

This scientist is largely known for his INCORRECT theory of evolution. He argued that acquired traits could be passed on to the next generation.

a)

Darwin

b)

Hooke

c)

Lamarck

d)

Lalama

50.

Which is not an evidence of evolution?

a)

Fossils

b)

homologous structures

c)

DNA evidence

d)

craters left behind by meteor strikes