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WorksheetsEvolution
Total questions: 16
Worksheet time: 8mins
Name
Class
Date
1.
The combined genetic information of all members of a particular population is called a(n)
a)
gene pool
b)
allele frequency
c)
natural distribution
d)
DNA sequence
2.
The ___ of an allele is the number of times that the allele occurs in a gene pool, compared with the number of times other alleles occur.
a)
popularity
b)
average
c)
frequency
d)
size
3.
Male elk fight for the attention of a female. What is this an example of?
a)
natural selection
b)
intrasexual selection
c)
intersexual selection
d)
artificial selection
4.
What type of structures had a function in early ancestors but do not serve a purpose in modern organisms?
a)
pseudogenes
b)
analogous structures
c)
homologous structures
d)
vestigial structures
5.
What is it called when a small number of individuals colonize a new area?
a)
founder effect
b)
bottleneck effect
c)
extinction
d)
adaptive radiation
6.
What type of natural selection do the graphs show?
a)
normal
b)
directional
c)
stabilizing
d)
disruptive
7.
A random change in allele frequency is called
a)
genetic drift
b)
fitness
c)
speciation
d)
the founder effect
8.
One species of bird mates during the night and another species mates during the day. What specific type of isolation is this?
a)
behavioral
b)
geographic
c)
temporal
d)
foundational
9.
Type of structures indicated by cricket wings and eagle wings.
a)
Analogous
b)
Homologous
c)
Vestigial
d)
Pseudo
10.
The leg of a horse and the flipper of a whale are examples of these types of structures.
a)
Analogous
b)
Homologous
c)
Vestigial
d)
Pseudo
11.
The table gives descriptions of four female mice that live in a beach area, which is mostly tan sand with scattered plants. Which mouse would have the highest fitness?
a)
Black
b)
Tan
c)
Tan and black
d)
Cream
12.
Northern elephant seals have dramatically reduced genetic variation because humans hunted them to near extinction in the 1890s, reducing the population to 20 individuals. They have since rebounded to 30,000 but they lack the genetic variation of the southern elephant seal which was not hunted. This is an example of?
a)
Speciation
b)
Catastrophism
c)
Founder Effect
d)
Bottleneck Effect
13.
Similar DNA sequences in dissimilar species are what type of evolutionary evidence?
a)
structural
b)
fossils
c)
embryologic
d)
molecular
14.
Survival and reproduction of organisms that are genetically best adapted to their environment is called
a)
fitness
b)
genetic drift
c)
natural selection
d)
artificial selection
15.
Which of the following lists the five points of natural selection?
a)
genetic drift, adaptations, variation, descent with modification, sexual selection
b)
fitness, adaptations, descent with modification, change over time, genetic drift
c)
variation, fitness, overproduction, change over time, adaptations
d)
variation, adaptations, overproduction, descent with modification, change over time
16.
The grey wolf is the common ancestor of both dogs and modern wolves. What process describes how these two species that are closely related become increasingly different?
a)
convergent evolution
b)
coevolution
c)
divergent evolution
d)
speciation
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