WorksheetsEvidence for evolution
Total questions: 15
Worksheet time: 13mins
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)
no proteins in common
c)
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.
Which is not evidence for evolution?
a)
many animals have homologous structures due to common ancestry
b)
Many animals have vestigial structures from an ancestor
c)
We can observe changes in life forms by observing the fossil record
d)
All of these are evidence for evolution
8.
When all of the organisms of a species have died it is called
a)
evolution
b)
extinction
c)
adaptation
d)
natural selection
9.
Predict which moth would increase in population
a)
light
b)
dark
10.
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.
11.
The diagram shows fossils in different rock layers. Which of these statements about the age of these fossils is most likely correct?
a)
Fossil A and C are the same age
b)
Fossil B is older than fossil C
c)
Fossils A is older than fossil B
d)
Fossil D is older than fossil C
12.
What is this an example of?
a)
Homologous structure
b)
Analogous structure
c)
Vestigial organs
d)
Functional adaption
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 image suggests that whales and hippopotamuses shared a common ancestor. When did these ancestors live?
a)
25-35 million years ago
b)
50-60 million years ago
c)
Present Day
d)
75 million years ago or more
15.
Butterflies taste with their legs while humans taste with their tongues. In this way, butterfly legs and human tongues are ______________ structures
a)
homologous
b)
analogous
c)
vestigial
d)
extinct
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