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WorksheetsEvolution
Total questions: 22
Worksheet time: 22mins
Name
Class
Date
1.
The gradual change in species over time is...
a)
Evolution
b)
Nucleotide
c)
Adaptation
d)
Natural Selection
2.
Darwin wrote that organisms with traits that are best suited to the environment will ________________
a)
increase in number
b)
become extinct
3.
What characteristic did Darwin observe about the finches on the Galapagos Islands?
a)
Their feathers
b)
Genotypes
c)
Their beaks
d)
Their body sizes
4.
The natural differences between individuals of a species is called ___________.
a)
adaptations
b)
natural selection
c)
variation
d)
fitness
5.
What is the advantage of having different shaped beaks?
a)
To look different from other species.
b)
To be able to eat the food readily available in the environment.
c)
To protect itself against predators.
d)
To protect itself against prey.
6.
The struggle for existence against other members of an organisms species is
a)
Competition
b)
Natural Selection
c)
gene flow
d)
genetic drift
7.
Darwin's expedition was called the Voyage of the _________.
a)
Titanic
b)
Beagle
8.
Remains of ancient organisms are called
a)
Extinctions
b)
Fossils
c)
Mutations
d)
Variations
9.
This picture is best known as
a)
homologous structures
b)
analogous structures
c)
vestigial structures
d)
embryology
10.
What do phylogenetic trees do?
a)
Help you visualize how species are related.
b)
Provide windbreaks in your yard.
c)
Provide DNA details.
d)
Show the distribution of organisms
11.
What do the similarities of the structures suggest?
a)
a common ancestor
b)
grow at different rates
c)
evolved slowly
d)
lived a long time
12.
Which two species are most related?
a)
B&C
b)
A&B
c)
A&C
d)
C&B
13.
The magnified part of this picture is best known as
a)
vestigial structures
b)
homologous structures
c)
analogous structure
d)
adapations
14.
Looking at this chart humans are most related to which of the following? (You are looking for the one that has the lowest number)
a)
Gibbon
b)
Dog
c)
Mouse
d)
Lamprey
15.
Which type of cell came first?
a)
Eukaryotic
b)
Prokaryotic
c)
Protists
d)
Both Eukaryotic and Prokaryotic were about the same
16.
Which gas was believed to be absent from early Earth's atmosphere
a)
Hydrogen
b)
Nitrogen
c)
Oxygen
d)
Carbon
17.
These structures shown are ________.
a)
Homologous structures
b)
Analogous structures
c)
Structural adaptation
d)
Functional adaptation
18.
Which two organisms are the most closely related according to their DNA sequence?
Critter A--> ATG CTT AAC CCG TTA
Critter B--> ATC GTT TTC CCG TAA
Critter C--> ATG CTA TAG GCG TAA
Critter A--> ATG CTT AAC CCG TTA
Critter B--> ATC GTT TTC CCG TAA
Critter C--> ATG CTA TAG GCG TAA
a)
Critter A and B
b)
Critter A and C
c)
Critter B and C
d)
They are all equally related
19.
Which term refers to the process by which individuals that are better suited to the environment survive and reproduce therefore passing down their genes to their offspring?
a)
Evolution
b)
Variation
c)
Adaptation
d)
Natural Selection
20.
A well-tested concept that explains a wide range of observations is called a(an):
a)
hypothesis
b)
experiment
c)
cause and effect
d)
scientific theory
21.
The structures shown are_________
a)
homologous
b)
heterologous
c)
analogous
d)
vestigial
22.
The ability of an organism to survive and reproduce in its specific environment
a)
diversity.
b)
evolution
c)
adaptation
d)
fitness
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