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Natural Selection, Adaptation, and Evolution

Total questions: 20

Worksheet time: 14mins

Name
Class
Date
1.
What is this an example of?
a)
diversity of species
b)
variation
c)
vestigial structures
d)
DNA studies
2.
Predict which moth would increase in population
a)
light 
b)
dark
3.
This scientist developed the theory of evolution as he studied the finches.
a)
Charles Darwin
b)
Isaac Newton
c)
Albert Einstein
d)
Marie Curie
4.

Tail bones on a human is an example of a

a)

homologous structure.

b)

analogous structure.

c)

vestigial structure.

d)

mystery structure.

5.
What is another name for natural selection?
a)
survival of the smartest
b)
survival of the fastest
c)
survival of the biggest
d)
survival of the fittest
6.

Human arms and arms on an octopus are examples of

a)

homologous structures.

b)

analogous structures.

c)

vestigial structures.

d)

mystery structures.

7.

Shark fins and dolphin fins are examples of

a)

homologous structures.

b)

analogous structures.

c)

vestigial structures.

d)

mystery structures.

8.
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 
9.
What is a change in an organism that allows for it to survive in its environment?
a)
homologous
b)
vestigial
c)
variation
d)
adaptation
10.
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
11.

The differences among a species, like different colors or stripes, are called

a)

genes.

b)

variations.

c)

traits.

d)

theories.

12.
When all of the organisms of a species have died it is called
a)
evolution
b)
extinction
c)
adaptation
d)
natural selection
13.
Inherited trait that helps an organism survive is a(n) __________.
a)
Fossil
b)
Adaptation
c)
Ancestor
d)
Natural selection
14.

Which layer is most likely the oldest?

a)

1

b)

2

c)

3

d)

4

15.

Left over body parts with no function are examples of

a)

homologous structures.

b)

analogous structures.

c)

vestigial structures.

d)

mystery structures.

16.

Gills on a human and chicken embryos are an example of /an

a)

homologous structures.

b)

analogous structures.

c)

vestigial structures.

d)

mystery structures.

17.
A remnant or trace of an organism from the past is called a _______.
a)
Ancestor
b)
Skeleton
c)
Fossil
d)
Imprints
18.
Darwin wrote that organisms with traits that are best suited to the environment will ________________
a)
increase in number
b)
become extinct
19.
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
20.

How would your describe multiple species of birds feeding from the same food source at the same time?

a)

competition

b)

evolution

c)

natural selection

d)

variation

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