WorksheetsEvolution 2024
Total questions: 25
Worksheet time: 13mins
Name
Class
Date
1.
Who was the naturalist that traveled the world to study plants and animals?
a)
Albert Einstein
b)
Charles Darwin
c)
Charles Barkley
d)
Isaac Newton
2.
The gradual change in species over time is...
a)
Evolution
b)
Nucleotide
c)
Adaptation
d)
Natural Selection
3.
Darwin wrote that organisms with traits that are best suited to the environment will ________________
a)
increase in number
b)
become extinct
4.
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
5.
When an organism completely dies out, it is called.....
a)
Adaption
b)
Extinction
c)
Fossilization
d)
Mutation
6.
The white feathers of a snowy owl allow it to blend in with its environment during the winter months (snow). This is an example of ________________
a)
Species
b)
Environmental Change
c)
Adaptation
d)
Variation
7.
Genetic differences between organisms of the same species
a)
Variation
b)
Adaptation
c)
Behavior
d)
Environment
8.
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.
9.
The struggle for existence against other members of an organisms species is
a)
Competition
b)
Natural Selection
c)
gene flow
d)
genetic drift
10.
Remains of ancient organisms are called
a)
Extinctions
b)
Fossils
c)
Mutations
d)
Variations
11.
If an organism has a homologous structure, that structure likely once had a function in a(n)
a)
close relative
b)
early ancestor
c)
unrelated organism
d)
embryological stage
12.
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
13.
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
14.
The ability of an organism to survive and reproduce in its specific environment
a)
diversity.
b)
evolution
c)
adaptation
d)
fitness
15.
Farmers breed cows to produce high amounts of milk. This is an example of...
a)
Natural Selection
b)
Variations in a species
c)
Artificial Selection
d)
inbreeding
16.
Which of the following is a factor in natural selection?
a)
Individuals of species compete with one another to survive.
b)
All species are genetically diverse.
c)
Individuals better able to adapt to changes leave more offspring.
d)
All are correct
17.
The fossil record provides evidence that
a)
Fossils cannot be dated.
b)
All species were formed during Earth’s formation and have changed little since then.
c)
The fossilized species have no connection to today’s species.
d)
Older species gave rise to more-recent species.
18.
Comparing human hemoglobin of chimpanzees, horses, kangaroos, and chickens, reveal that humans have the fewest amino acid differences with
a)
Kangaroos
b)
Horses
c)
chickens
d)
chimpanzees
19.
Which of the following statements best reflects the evolutionary importance of the figures pictured?
a)
New genetic instructions have been disregarded in the evolution of vertebrates.
b)
Early in development, vertebrate embryos show no evidence of common ancestry.
c)
All adult vertebrates retain pharyngeal pouches (gills).
d)
The evolutionary history of organisms is seen in the way embryos develop.
20.
These structures shown are ________.
a)
Homologous structures
b)
Analogous structures
c)
Structural adaptation
d)
Functional adaptation
21.
Based on the figure, which three organism are closely related?
a)
cat, horse, human
b)
cat, horse, pig
c)
cow, horse, human
d)
cow, horse, pig
22.
What mutation has occurred here?
T-G-A-C-C-A
T-G-A-G-C-A
a)
Substitution
b)
Deletion
c)
Insertion
d)
Frameshift
23.
DNA molecule segment is : TTACGCAAG
The mutated DNA segment is TTCGCAAG. This is an example of ___ mutation.
a)
Substitution
b)
Deletion
c)
Insertion
d)
Inversion
24.
Why are insertion and deletion (frameshift) mutations so harmful?
a)
They change all of the codons from the mutation on down the line, which changes the amino acid sequence
b)
They insert things that an organism doesn't need.
c)
They often delete things that organisms need.
d)
Insertion and deletions are not any more harmful than substitution mutations.
25.
What process is being shown in this image?
a)
Variation
b)
Natural Selection
c)
Selective Breeding
d)
Homeostasis
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