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Types of Natural Selection and Rates of Evolution

Total questions: 34

Worksheet time: 26mins

Name
Class
Date
1.
What type of selection is depicted in the picture? 
a)
stabilizing 
b)
directional 
c)
disruptive 
d)
the answer is not here
2.
Robins typically lay fours eggs. If more then four eggs are produced then the baby chicks are malnourished while smaller egg numbers result in no viable (able to live) baby chicks. This is an example of
a)
stabalizing
b)
disruptive
c)
direction
d)
none of the above
3.
What type of selection?
a)
Directional 
b)
Stabilizing
c)
Disruptive
4.
Only populations can evolve.
Individuals can not evolve.
a)
True
b)
False
5.
Which of the three graphs shows stabilizing selection?
a)
A
b)
B
c)
C
6.
Which of the three graphs shows disruptive selection?
a)
A
b)
B
c)
C
7.
If finches with large beaks and finches with small beaks increase in a population while finches with average sized beaks decreases, which pattern of natural selection has occurred?
a)
Directional selection
b)
Disruptive selection 
c)
Stabilizing selection
8.
What is the correct explanation for what is happening in this graph?
a)
There are a lot of average-sized beaks
b)
There are no beaks
c)
There are a lot of small beaks only
d)
There are a lot of small and large beaks, but not average-sized ones
9.
What type of natural selection is this?
a)
Disruptive Selection
b)
Directional Selection
c)
Stabilizing Selection
d)
Sexy Selection
10.
An extreme phenotype is favored causing the alleles to shift toward that phenotype
a)
Disruptive Selection
b)
Directional  Selection
c)
Stabilizing Selection
d)
Artificial Selection
11.
Genetic diversity decreases and individuals at the center of the curve have higher fitness.
a)
Disruptive Selection
b)
Directional  Selection
c)
Stabilizing Selection
d)
Artificial Selection
12.
Characteristics that allow a population to become better suited to its environment
a)
accommodation
b)
adaptation
c)
variation
d)
selection
13.
What do you think is an adaptation?
a)
A trait that helps an organism adapt to its environment
b)
An organism that survives best in an environment
c)
A person who studies adapting animals
d)
a random chance event that shapes the population
14.
Which of the three graphs shows disruptive selection? The original population is shown with a solid line
a)
A
b)
B
c)
C
15.
If finches with large beaks and finches with small beaks increase in a population while finches with average sized beaks decreases, which pattern of natural selection has occurred?
a)
Directional selection
b)
Disruptive selection 
c)
Stabilizing selection
16.
What is the correct explanation for what is happening in this graph?
a)
There are a lot of average-sized beaks
b)
There are no beaks
c)
There are a lot of small beaks only
d)
There are a lot of small and large beaks, but not average-sized ones
17.
What is the advantage of having different shaped beaks?
a)
To look different from other species.
b)
To be able to eat different types of food.
c)
To fly faster.
d)
To confuse scientists. 
18.
Which of the following is a term for a group of similar organisms that can reproduce fertile offspring?
a)
individual
b)
population
c)
species
d)
fossil
19.
Evolution means...
a)
Change over time in a population.
b)
That everything is the same.
c)
That organisms never change.
d)
Negative traits are acquired in populations.
20.
Mutations are a change in what?
a)
DNA
b)
tRNA
c)
genotype
d)
phenotype
21.
Variations are important because they lead to ________________.
a)
more fossils
b)
new species
c)
less evolution
d)
better environments
22.
The movement of individuals into or out of a population is a source of ________________.
a)
mutations
b)
camouflage
c)
fossils
d)
variation
23.

Evolution occurring gradually and slowly over long periods of time

a)

Homeostasis

b)

Stasis

c)

Punctuated Equilibrium

d)

Gradualism

24.

Evolution occurring quickly due to catastrophic events

a)

Homeostasis

b)

Gradualism

c)

Statsis

d)

Punctuated Equilibrim

25.

Having a common ancestor

a)

Mitosis

b)

Punctuated Equilibrim

c)

Homology

d)

Radioactive Dating

26.

Having a common ancestor

a)

Mitosis

b)

Punctuated Equilibrim

c)

Homology

d)

Radioactive Dating

27.

Various species show similar developmental patterns as embryos.

a)

DNA similarities

b)

Anatomical Homology

c)

Developmental Homology

d)

All of the above

28.
The theory of ____________ results in organisms with traits best suited to their environment.
a)
embryology
b)
natural selection
c)
camouflage
d)
fossils
29.
A ____________ is a group of organisms that share similar characteristics and can reproduce to produce fertile offspring.
a)
Species
b)
Kingdom
c)
Phylum
d)
Order
30.
Geographic isolation does contribute to ______________.
a)
mutations
b)
evolution
c)
pollution
d)
location
31.
The rapid development of penicillin resistant bacteria is an example of _______________.
a)
competition
b)
gradualism
c)
camouflage
d)
punctuated equilibrium
32.
The explanation that species evolve by keeping traits that their parents develop throughout their lives was proposed by...
a)
Darwin
b)
Lamarck
c)
Laughlin
d)
Slaughter
33.
a)
The image shows analogous structures.
b)
The image shows convergent evolution.
c)
The image shows adaptive radiation. 
d)
The image shows organisms that are not closely related.
34.
Flying fish, flying birds, and bats are examples of which of the following?
a)
convergent evolution & homologous structures
b)
convergent evolution & analogous structures
c)
divergent evolution & homologous structures
d)
divergent evolution & analogous structures