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WorksheetsEvidences of Evolution
Total questions: 18
Worksheet time: 11mins
Name
Class
Date
1.
Which of the following are homologous structures?
a)
Bee wings and bird wings
b)
legs on a beetle and legs on a cat
c)
whale flipper and bat wing
d)
human eyebrows and ant antenna
2.
Which images illustrate analogous structures?
a)
1, 2
b)
1, 3
c)
2, 3
d)
1, 2, 3
3.
These limbs provide evidence of common ancestry because they....
a)
have the same basic structure
b)
Perform the same function
c)
Are the same size
d)
Are parts of mammals
4.
Which images illustrate homologous structures?
a)
1, 2
b)
1, 3
c)
2, 3
d)
1, 2, 3
5.
The cave fish and minnow are related to each other but the cave fish is blind and only has the remnants of an eye. What type of structure is this?
a)
homologous
b)
analogous
c)
vestigial
d)
convergent
6.
What is an example of a vestigial structure in a human?
a)
liver
b)
ear drum
c)
small intestine
d)
appendix
7.
Which of the following are analogous structures?
a)
bee wings and bird wings
b)
legs on a beetle and legs on a cat
c)
whale flipper and bat wings
d)
human eyebrows and ant antenna
8.
According to the law of superposition, the oldest fossils are found
a)
At the top of the rock layers
b)
Near the bottom of the rock layers
c)
In the middle of the rock layers
d)
Somewhat near the surface
9.
Which rock layer in the diagram seems to be the oldest?
a)
F
b)
E
c)
B
d)
A
10.
According to the law of superposition, which layer is the youngest?
a)
A
b)
B
c)
C
11.
What is the study of organisms at the early stages of development?
a)
DNA studies
b)
embryology
c)
extinction
d)
fossil record
12.
The closest evolutionary relationship most likely exists between the....
a)
human and gorilla
b)
horse and zebra
c)
human and chimpanzee
d)
chimpanzee and gorilla
13.
Which of these factors should be compared to determine how closely species are related to each other?
a)
number of genes
b)
sequence of amino acids
c)
location of chromosomes
d)
physical similarities in body structure
14.
The fewer amount of differences in the amino acid sequencing between two organisms the...
a)
less closely related the organisms are
b)
fewer mutations the organisms have
c)
closer related the organisms are
d)
better adapted the organisms are
15.
The greater the amount of differences in the amino acid sequencing between two organisms the...
a)
less closely related the organisms are
b)
fewer mutations the organisms have
c)
closer related the organisms are
d)
better adapted the organisms are
16.
The picture is an example of?
a)
embryology
b)
fossil record
c)
homologous structures
d)
vestigial structures
17.
The similarities in embryonic development shown in the diagram suggest that these organisms...
a)
are all members of the same species
b)
may have evolved from a common ancesor
c)
have adaptations for the same environment
d)
all undergo external development
18.
A change in a species over time is
a)
Adaptation
b)
Evolution
c)
Diversity
d)
Morphology
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