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Evolution Unit Review

Total questions: 38

Worksheet time: 38mins

Name
Class
Date
1.
What is the cause for all variation within a population?
a)
Natural Selection
b)
Adaptation
c)
Mutation
d)
Environmental Changes
2.
A horse and a donkey can successfully mate to produce offspring known as a mule.  Mules are sterile .  Would mules be classified as a species?
a)
Yes, mules have enough of their own traits to be considered a species.
b)
Yes, the fact that have different number of chromosomes makes them a different species
c)
No, mules are too similar to the parent species
d)
No, due to their inability to reproduce successfully.
3.
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
4.
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
5.
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
6.
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
7.
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
8.
Predict which moth would increase in population
a)
light 
b)
dark
9.
How do fossils provide evidence that evolution has happened on Earth?
a)
Fossils show how the sizes of certain animals has changed drastically over millions of years
b)
Fossils show that some species have gone extinct
c)
Fossils show how life forms present today are different than those from the past
d)
Different sedimentary rock layers provide evidence for how the environment has changed over time
10.
Scientists compare organisms' DNA to support the theory that all species share a common _________________
a)
separation
b)
ancestor
c)
population
d)
environment
11.
The diagram illustrates an embryonic stage of two organisms.

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.
12.

Recently, scientists have been able to use ___________to find common proteins and amino acids to determine how closely related species are.

a)

DNA

b)

Vestigial structures

c)

Fossils

d)

Homologous structures

13.
Phylogenetics is all about discovering... 
a)
which organisms are more closely related to each other
b)
which organisms have more adaptations
c)
adaptationswhere organisms live in the world
d)
which organisms are most fit for their environment
14.
Which is true about phylogenetic trees?
a)
they are absolute fact
b)
they are dynamic and changing as we learn more 
c)
they are always constructed using morphological evidence
d)
they predict how organisms will change in the future
15.

According to this image, which two domains of life are most related?

a)

Bacteria & Archaea

b)

Archaea & Eukarya

c)

Eukarya & Bacteria

16.

According to this phylogenetic tree, which creature is the least related out of all pictured?

a)

Fish

b)

Frog

c)

Salamander

d)

Human

17.

According to this image, when did the ancestors of Indohyus and Pakicetus diverge?

a)

52 million years ago

b)

56 million years ago

c)

25 million years ago

d)

47 million years ago

18.
The diagram below represents a phylogenetic tree.What is most likely true about Organism Y?
a)
Organism Y is only related to Organism X.
b)
Organism Y is closely related to Organism X.
c)
Organism Y is a distant relative of Organism X.
d)
Organism Y and Organism X will mate with one another.
19.

Which group of animals on this tree are most closely related to birds?

a)

Saurischian dinosaurs

b)

Ornithischian dinosaurs

c)

Crocodiles

d)

None of these are related to birds

20.

Use the cladogram to determine which of these animals does not have/produce an amniotic egg?

a)

Turtle

b)

Leopard

c)

Lamprey

d)

All three of these animals produce the amniotic egg

21.

Who is most closely related to Taxidea taxus?

a)

Lutra lutra

b)

Panthera pardus

c)

Canis latrans

d)

Canis lupus

22.

Each of the nodes indicated on the cladogram, are described as __________________________.

a)

Derived characteristics

b)

Trait nodes

c)

Branching elements

d)

Clades

23.

If a plant has vascular tissue but no seeds, which of the four plant groups here would it fall into?

a)

Ferns

b)

Cone-bearing plants

c)

Mosses

d)

Flowering plants

24.

A grizzly bear survives because he is well-adapted to his environment. When he reproduces he passes on those traits to his offspring. this process is called

a)

Natural Selection

b)

Selective Breeding

c)

Random mutations

d)

Variations in a species

25.

The peppered moth's color camouflaged it on the light colored tree bark. It's color was an example of a/n

a)

Variation

b)

Dominant trait

c)

Recessive trait

d)

Adaptation

26.

Why might it be helpful for a species to have a lot of variations?

a)

They can't be seen by predators

b)

If the environment changes, they might be better able to adapt

c)

It is helpful in asexual reproduction

d)

They don't recognize each other

27.

Traits are based on improving the next generation are known as

a)

fitness

b)

physiology

c)

behavior

d)

anatomy

28.

Selective Pressure is the driving force for

a)

Natural Selection

b)

Environments

c)

Adaptations

d)

Mutations

29.

Fitness is best defined as

a)

the ability to survive, reproduce, and have it's own offspring

b)

strength and agility

c)

quickest and biggest competitor

d)

longest living, ability to lead, and hunt

30.

Of the following, which brown bear is viewed as the fittest?

Jeff: lived 13 years, 800 lbs, and had 20 cubs in which 8 survived

Dan: lived 19 years, 1,100 lbs, and had 11 cubs in which 3 survived

Mark: lived 9 years, 1, 000 lbs, and had 15 cubs in which 13 survived

Russ: lived 11 years, 1,300 lbs,and had 14 cubs in which 5 survived

a)

Jeff

b)

Dan

c)

Mark

d)

Russ

31.

The father and discoverer of evolution is

a)

Charles Darwin

b)

Jean Baptiste Lamarck

c)

Alfred Wallace

d)

Charles Lyell

32.

Environmental challenges that dictate which individuals will live or die or can alter evolutionary change is known as

a)

Adaptation

b)

Selective Pressure

c)

Mutations

d)

Foilage

33.

In order for new variations to occur individuals must

a)

be born with new traits.

b)

adapt personally in their environment.

c)

inferior traits change

d)

relocate to a new environment

34.

individuals with alleles for an extreme type are more likely to survive and reproduce

a)

stabilizing selection

b)

directional selection

c)

disruptive selection

d)

genetic drift

35.

the selection pressure favors the extreme phenotypes, dividing the population into 2 distinct groups

a)

directional selection

b)

stabilizing selection

c)

geographic selection

d)

disruptive selection

36.

Individuals with intermediate traits are more likely to survive and reproduce

a)

stabilizing selection

b)

directional selection

c)

adaptive radiation

d)

disruptive selection

37.

Aspen trees that are over 25 m tend to blow over in high winds; aspen that are under 15 m don't get enough sun

a)

directional selection

b)

stabilizing selection

c)

disruptive selection

d)

artificial selection

e)

sexual selection

38.

Labradoodles and cockapoos are different varieties of domestic dogs that can be purchased from dog breeders.

a)

directional selection

b)

stabilizing selection

c)

disruptive selection

d)

artificial selection

e)

sexual selection

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