WorksheetsHomologous and Analogous Structures
Total questions: 20
Worksheet time: 13mins
Name
Class
Date
1.
Structures that are inherited from a common ancestor are homologous.
a)
True
b)
False
2.
Bird wings and butterfly wings are an example of
a)
Homologous structure
b)
Analogous structure
c)
Mimicry
d)
Camoflague
3.
Shark fins and dolphin fins are examples of analogous structures.
a)
True
b)
False
4.
Analogous structures show common ancestry.
a)
True
b)
False
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.
How would you describe this evolution?
a)
Homologous structure
b)
Analogous structure
c)
Structural adaption
d)
Functional adaption
7.
The structures shown are_________
a)
homologous
b)
heterologous
c)
analogous
d)
vestigial
8.
Structures that are inherited from a common ancestor are homologous.
a)
True
b)
False
9.
When would convergent evolution occur?
a)
When organisms share a common ancestor
b)
When organisms live in similar environments
c)
When organisms become increasingly different
d)
When organisms experience a change in their environment
10.
Individuals with favorable traits survive, reproduce, and pass their traits onto their offspring. This is called
a)
Mutation
b)
Adaptation
c)
Evolution
d)
Natural Selection
11.
Individuals within a population can evolve.
a)
True
b)
False
12.
An organism's ability to survive and reproduce in its environment refers to its
a)
Fitness
b)
Variation
c)
Selection
d)
Mutation
13.
Which of the following pieces of evolution evidence contain both homologous and vestigial structures?
a)
fossil record
b)
comparing embryology
c)
comparing biochemistry
d)
comparing anatomy
14.
If an organism has a vestigial structure, that structure likely once had a function in a(n)
a)
close relative
b)
early ancestor
c)
unrelated organism
d)
embryological stage
15.
The hind leg bones in a whale are examples of
a)
homologous structures
b)
analogous structures
c)
fossils
d)
vestigal structures
16.
Mutations are important because they bring about
a)
death of the organism in which they develop
b)
genetic variation needed for a population to evolve
c)
benefits for the individual, not for the population
d)
Hardey-Weinberg equilibrium within a population
17.
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
18.
Evolved from different ancestors, but due to living in similar environments have a similar function.
a)
Homologous structures
b)
Analogous structures
c)
Vestigial structures
d)
All of the above
19.
Evolved from the same ancestor, but have different functions
a)
Homologous structures
b)
Analogous structures
c)
Vestigial structures
d)
All of the above
20.
According to the cladogram, which organism is most distantly related to the human?
a)
crayfish
b)
grasshopper
c)
perch
d)
frog
100 %
