WorksheetsEvolution Practice
Total questions: 30
Worksheet time: 15mins
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.
Over time, adaptions can lead populations to experience
a)
environmental changes
b)
genetic changes
c)
geological changes
d)
extinction
4.
In natural selection, the selective agent is the
a)
humans
b)
mutations
c)
breeders
d)
environment
5.
All rabbits living in a particular area would be an example of a(n)
a)
population
b)
species
c)
fossil
d)
individual organism
6.
a bird that can easily outcompete other birds for food and that can produce many eggs has a high
a)
life expectancy
b)
mutation rate
c)
fitness
d)
adaptability
7.
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 wings of an ostrich
8.
What is suggested by the similarity of early embryos 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
9.
which of the following is true of how evolution functions?
a)
Evolution acts on individuals within a lifetime
b)
Traits that are acquired in a lifetime can be passed on
c)
Evolution acts on species over long periods
d)
Evolution does not rely on variation
10.
Some organisms that share a common ancestor have features that have different functions, but similar structures. These are known as
a)
vestigial structures
b)
analogous structures
c)
homologous structures
d)
fossil structures
11.
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
12.
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
13.
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
14.
The more genetic variation a population has, the more likely it is will
a)
evolve
b)
migrate
c)
survive
d)
mutate
15.
Genetic variation can arise from a random change in the DNA of a gene. The change is called a(n)
a)
mutation
b)
gene flow
c)
gene pool
d)
allele
16.
What increases genetic variation when animals move from one population to another
a)
genetic drift
b)
sexual selection
c)
bottleneck effect
d)
gene flow
17.
The five-factors: gene flow, genetic drift, mutation, natural selection and ....
a)
non-random mating
b)
controlled mating
c)
emigration
d)
immigration
18.
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
19.
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
20.
An earthquake causes an ocean channel to 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
21.
two species are in different environments and look very similar. However, they 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
22.
A bumble bee is the only bee that has just enough weight to open up the snapdragon flower and pollinate. This adaption is ....
a)
convergent evolution
b)
co-evolution
c)
divergent evolution
d)
speciation
23.
What is the term for a feature that allows an organism to survive better in its environment?
a)
variation
b)
adaption
c)
homologous structure
d)
vestigial structure
24.
the hind leg bones in a whale are examples of
a)
homologous structures
b)
analogous structures
c)
fossils
d)
vestigial structures
25.
Natural selection results in change over time by acting on traits that are
a)
heritable
b)
new
c)
mutated
d)
better than the best
26.
combined alleles of all individuals in a population is called
a)
phenothype
b)
gene pool
c)
mutation rate
d)
allele frequency
27.
Which evolutionary theory suggests that species change rapidly followed by periods of no change?
a)
Punctuated equilibrium
b)
Gradualism
c)
DNA sequences
d)
Fossil evidence
28.
Sea turtles lay hundreds of eggs in an attempt to allow some of their offspring to survive. This is common in species with a high death rate. What is this an example of?
a)
Cell Division
b)
Speciation
c)
Overproduction
d)
Genetic Variation
29.
Which evolutionary theory suggests that evolution happens in slow steady change over time.
a)
Natural Selection
b)
Selective Breeding
c)
Punctuated Equilibrium
d)
Gradualism
30.
Great white sharks have a keen sense of smell. What is this an example of?
a)
a variation
b)
a genetic disorder
c)
a mutation
d)
Adaptation
100 %
