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WorksheetsEvidence and Factors of Evolution
Total questions: 15
Worksheet time: 11mins
Name
Class
Date
1.
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
2.
Study of embryos of various organisms to show a common ancestor because of similarities in development
a)
natural selection
b)
embryology
c)
speciation
d)
evolution
3.
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
4.
If modern organisms have a lot of homologous structures, what inference might paleontologists make about those organisms?
a)
They are reptiles
b)
One organism evolved from the other.
c)
The organisms have a common ancestor
5.
Predict which moth would increase in population
a)
light
b)
dark
6.
Scientists compare organisms' DNA to support the theory that all species share a common _________________
a)
separation
b)
ancestor
c)
population
d)
environment
7.
Recently, scientists have been able to use ___________to find common proteins and amino acids to determine how closely related species are.
a)
DNA
b)
Vestigial structures
c)
Fossils
d)
Homologous structures
8.
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
9.
When every organism of a species has died.
a)
Evolution
b)
Natural Selection
c)
Extinction
d)
Artificial Selection
10.
Where the better adapted organisms survive to pass traits along to offspring.
a)
Evolution
b)
Natural Selection
c)
Extinction
d)
Artifical Selection
11.
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.
12.
What word describes a trait that helps an organism survive in its environment?
a)
natural selection
b)
mutation
c)
camouflage
d)
adaptation
13.
Which organisms are most likely to survive?
a)
the best adapted
b)
the fastest
c)
the strongest
d)
the most domesticated (tamed)
14.
Why is the mouse population changing over time?
a)
The light mice can reproduce more successfully than the dark mice
b)
The hawks eat more dark mice than light mice because the dark mice taste better
c)
The hawks eat more light mice than dark mice because they can see the light mice more easily
d)
The hawks eat more dark mice than light mice because they can see the dark mice more easily
15.
Which process of evolution is demonstrated below?
a)
Comparative anatomy
b)
Homologous structures
c)
Comparative embryology
d)
Vestigial structures
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