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WorksheetsEvidence of Evolution
Total questions: 16
Worksheet time: 18mins
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.
What does Darwin's theory of evolution suggest?
a)
species change over time
b)
extinct species are not related to living species
c)
different species can interbreed
d)
animals that look alike are most closely related
5.
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
6.
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
7.
When all of the organisms of a species have died it is called
a)
evolution
b)
extinction
c)
adaptation
d)
natural selection
8.
Predict which moth would increase in population
a)
light
b)
dark
9.
How do fossils provide evidence that evolution has happened on Earth?
a)
Fossils show how the sizes of certain animals has changed drastically over millions of years
b)
Fossils show that some species have gone extinct
c)
Fossils show how life forms present today are different than those from the past
d)
Different sedimentary rock layers provide evidence for how the environment has changed over time
10.
Scientists compare organisms' DNA to support the theory that all species share a common _________________
a)
separation
b)
ancestor
c)
population
d)
environment
11.
What characteristic did Darwin observe about the finches on the Galapagos Islands?
a)
Their feathers
b)
Genotypes
c)
Their beaks
d)
Their body sizes
12.
The diagram illustrates an embryonic stage of two organisms.
Which of the following can be determined by observing the embryos shown in the diagram
Which of the following can be determined by observing the embryos shown in the diagram
a)
The organisms share a common ancestry.
b)
The organisms belong to the same genus.
c)
The organisms are native to the same geographic areas.
d)
The organisms will grow into anatomically similar adults.
13.
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
14.
An inherited trait that increases an organism's chance of surviving and reproducing.
a)
variation
b)
adaptation
c)
vestigial structure
d)
mutation
15.
The English naturalist that developed the theory of how evolution works.
a)
Charles Darwin
b)
Charles M. Schulz
c)
Charles Dickens
d)
Charles Norris
16.
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.
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