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Unit 6 Test

Total questions: 100

Worksheet time: 55mins

Name
Class
Date
1.

A population of bacteria is treated with hand sanitizer. Because of genetic variation in the population, what is a possible outcome?

a)

The population will grow quickly.

b)

All of the bacteria are already resistant.

c)

They will get better at obtaining a food source.

d)

Some may be resistant and survive.

2.

One of the biggest ways that a species evolves is because some organisms with some traits survive and reproduce better than others. This process is known as

a)

Natural Selection

b)

Convergent Evolution

c)

Coevolution

d)

Sexual Selection

3.

Genes for traits that help and organism be more successful reproductively can be expected to

a)

cause it to evolve into a new species

b)

become more common in the future

c)

cause the extinction of the species

d)

eventually be eliminated by natural selection

4.

An adaptation is

a)

any trait an organism possesses

b)

how an organism evolves during its own lifetime

c)

a gene an organism has

d)

a trait that helps an organism survive in its environment

5.

Genetic diversity is ultimately/mainly the result of

a)

meiosis

b)

viruses

c)

mutations

d)

reproduction

6.

Which of the following is NOT an example of evolution?

a)

Horses becoming taller and faster over millions of years

b)

All species of tortoises in the Galapagos islands descending from a common ancestor

c)

Human brains becoming larger over time

d)

A caterpillar going through a change into a butterful

7.

Which of the following does NOT increase genetic variation?

a)

Mutations

b)

Gene flow

c)

Mitosis

d)

Crossing over

8.

Which of the following is NOT a principle of natural selection?

a)

Most species produce more offspring than will actually reproduce

b)

Organisms compete for limited resources

c)

Evolution will occur as an organism gets older and learns more

d)

In every population, adaptations allow some organisms to survive and reproduce better than others

9.

Individuals that are well adapted to their environment will survive and produce

a)

fewer mutations

b)

more offspring

c)

stronger gene

d)

better traits

10.

Natural selection results in change over time by acting on traits that are

a)

heritable

b)

new

c)

mutated

d)

better

11.

Why are advantageous traits more likely to be passed onto offspring?

a)

Because they are more likely to survive and reproduce.

b)

Because they come from dominant alleles.

c)

Because they come from recessive alleles.

d)

Because the organism knew it needed that trait, survives, and passes it on.

12.
Why is the mouse population changing over time?
a)
The light mice can reproduce more successfully than the dark mice
b)
The hawks eat more dark mice than light mice because the dark mice taste better
c)
The hawks eat more light mice than dark mice because they can see the light mice more easily
d)
The hawks eat more dark mice than light mice because they can see the dark mice more easily
13.

Where do adaptations come from?

a)

The individual organism decides to adapt

b)

Mutations that give an organism an advantage in its environment

c)

Genetic recombination during meiosis

d)

Both mutations and genetic recombination are sources of adaptation

14.

"Organisms that are better adapted to the environment survive to pass traits to their offspring" is the definition of

a)

Natural Selection

b)

Evolution

c)

Selective Breeding

d)

Artificial Selection

15.

Which best describes the role of mutations in natural selection?

a)

Mutations help an organism to better survive in their environment

b)

An organism may acquire a helpful mutation by interacting with the environment

c)

A mutation may result in a beneficial trait that makes an organism more likely to survive and reproduce

d)

Organisms with certain traits are more likely to win competitions for mutations

16.
Domesticated dogs are an example of:
a)
Natural Selection
b)
Selective Breeding
17.
Over time, the climate of an island became drier, which resulted in changes to the populations of various island finch species. Finch populations with a certain beak shape thrived, while those not having that beak shape decreased. Which of the following describes a necessary condition for these changes in the finch populations to occur?
a)
fewer mutations
b)
limited food resources
c)
limited beak variations
d)
overproduction of offspring
18.
Which of the following best illustrates natural selection?
a)
An organism with favorable genetic variations will tend to survive and breed successfully. 
b)
A population monopolizes all of the resources in its habitat, forcing other species to migrate.
c)
A community whose members work together utilizing all existing resources and migratory routes.
d)
The largest organisms in a species receive the only breeding opportunities.
19.
A small population of chimpanzees lives in a habitat that undergoes no changes for a long period. How will genetic drift probably affect this population?
a)
It will accelerate the appearance of new traits.
b)
It will promote the survival of chimpanzees with beneficial traits.
c)
It will increase the number of alleles for specific traits.
d)
 It will reduce genetic diversity.
20.

Evolutionary change on a small scale

a)

macroevolution

b)

microevolution

c)

coevolution

d)

parallel evolution

21.

Evolutionary change on a large scale; Principle of common descent

a)

macroevolution

b)

microevolution

c)

coevolution

d)

parallel evolution

22.

Lots of offspring and limited resources causes competition for those resources.

a)

Overproduction of offspring

b)

Natural selection

c)

variation

d)

adaptation

23.

random change in the frequency of alleles in a population over time

a)

Mutations

b)

Natural Selection

c)

Genetic Drift

d)

Gene Flow

24.

movement of genes into/out of a population

a)

Mutations

b)

Natural Selection

c)

Genetic Drift

d)

Gene Flow

25.

Sexual selection (selection of traits by one sex of the opposite sex) is also known as

a)

Gene Flow

b)

non-random mating

c)

Genetic Equilibrium

d)

Mutations

26.

when there are NO changes in the allele frequencies in a population over time

a)

mutations

b)

gene flow

c)

Genetic equilibrim

27.

Which of the following are reasons a species may go extinct? (Check all that apply.)

a)

loss of habitat

b)

new predators

c)

greater competition

d)

natural disasters

28.

Charles Darwin presented the idea that evolution occurs due to _____.

a)

Selective breeding

b)

Artificial selection

c)

Inheritance of acquired traits

d)

Natural selection

29.

Hummingbirds have a beak just the right length to reach the nectar in a cardinal flower and as they feed their foreheads bump into the pollen structure. Cardinal flowers are red which hummingbirds can see but bees can’t. Cardinal flower’s pollen structure is just the right length for the hummingbird to pick up pollen as it feeds

a)

Convergent

b)

Divergent

c)

Coevolution

30.

Bees don’t see red, but do see yellow, blue, and ultra-violet light. Thus, bee-pollinated flowers are mostly yellow or blue with UV nectar guides (landing patterns) to guide the bee. They usually have a small, narrow floral tube to fit the tongue-length of that species of bee.

a)

Convergent Evolution

b)

Divergent Evolution

c)

Coevolution

31.

In the ocean surrounding Antarctica, there are fish that survive the cold water by using a molecule made of glycoproteins that circulates the blood and keeps it from freezing. Certain kinds of worms that live in the Arctic ocean also make antifreeze proteins that help them live in icy water.

a)

Convergent Evolution

b)

Divergent Evolution

c)

Coevolution

32.

The beaver in North America and the capybara in South America share a common ancestor, but have evolved over time to look different

a)

Convergent Evolution

b)

Divergent

c)

Coevolution

33.

Ants are the correct size and weight needed to open the flowers for the peony plant. The peony plant provides food for the ant and the ant fertilizes the peony’s flowers

a)

Convergent

b)

Divergent

c)

Coevolution

34.

The Galápagos finches evolved through natural selection from a common ancestor into a wide variety of different looking species.

a)

Convergent Evolution

b)

Divergent Evolution

c)

Coevolution

35.

This kind of evolution is proven by DNA analysis and results in organisms with different ancestors becoming more alike as they adapt to similar environments.

a)

Convergent Evolution

b)

Divergent Evolution

c)

Coevolution

36.

Butterflies, bats, and birds all have wings that allow them to fly. Butterfly wings, however, do not have bones like bat and bird wings do. This is an example of

a)

Convergent Evolution

b)

Divergent Evolution

c)

Punctuated Equilibrium

d)

Coevolution

37.

4000 years ago, a population of cichlid fish were isolated in Lake Nagubago in central Uganda. Since then 5 new species have formed, distinguished by their differing coloration and mating rituals. These five groups of fish are considered unique species because they do not naturally interbreed. This is an example of

a)

Speciation

b)

Extinction

c)

Coevolution

d)

Gradualism

38.

A population of mollusks are living in a stable ecosystem in the ocean. A rapid drop in sea level causes the formation of a lake, which isolates a group of mollusks from the rest. This quick environmental change causes rapid evolutionary change. Due to the new small population, genetic drift occurs, and mollusks with larger shells rapidly become the most common trait.

a)

Punctuated Equilibrium

b)

Gradualism

c)

Divergent Evolution

d)

Speciation

39.

The Dodo was a flightless bird, first spotted by Dutch sailors in 1598. Dodos had no known predators until sailors started hunting them and new invasive species were introduced. The last sighting of a Dodo was in 1662. This is an example of

a)

Convergent Evolution

b)

Extinction

c)

Speciation

d)

Gradualism

40.

Dogs and wolves share a common ancestor - the Grey Wolf. They share similar body shape, skull size, limb formation, genetic makeup and much more. Varying temperament in wolves eventually became so drastic resulting in extremely aggressive wolves and docile wolves that were vitally domesticated, leading to the formation of dogs. This is an example of

a)

Convergent Evolution

b)

Divergent Evolution

c)

Coevolution

d)

Speciation

41.

Male bumblebees go to flowers, such as orchids, to pick up chemicals that allow them to create attractive scents to put off for female bumblebees. Flowers have waxy pollen to stick to the bumblebee's heads and abdomens in order to spread their pollen to other flowers. These two traits have evolved together, forming a mutualistic relationships between flowers and bumblebees. This is an example of

a)

Coevolution

b)

Divergent Evolution

c)

Convergent Evolution

d)

Speciation

42.

Fossil evidence suggests that whales evolved from land mammals. This was a slow process over thousands of years that resulted from continual reduction of the ancestral mammal's forelimbs over time, until they were reduces to fins. This is an example of

a)

Speciation

b)

Coevolution

c)

Gradualism

d)

Punctuated Equilibrium

43.

Which pattern of evolution results in one species splitting into many over time?

a)

Coevolution

b)

Divergent Evolution

c)

Convergent Evolution

d)

Sexual Selection

44.

Organisms that live in similar environments, such as the ocean, often have similar adaptations. This is often due to

a)

Convergent Evolution

b)

Coevolution

c)

Gradualism

d)

Sexual Selection

45.

Multiple species evolving from a common ancestor is known as

a)

Gradualism

b)

Speciation

c)

Punctuated Equilibrium

d)

Divergent Evolution

46.

Burst of evolutionary change followed by periods of stability is known as

a)

Punctuated Equilibrium

b)

Divergent Evolution

c)

Coevolution

d)

Gradualism

47.

Formation of a new species from a pre-existing species is known as

a)

Speciation

b)

Gradualism

c)

Coevolution

d)

Convergent Evolution

48.

Slow evolutionary changes over a long period of time is known as

a)

Gradualism

b)

Speciation

c)

Convergent Evolution

d)

Coevolution

49.

When two organisms evolve in response to the other it is called

a)

Convergent Evolution

b)

Divergent Evolution

c)

Coevolution

50.

When unrelated species evolve similar characteristics because they live in similar environments it is referred to as

a)

Divergent Evolution

b)

Convergent Evolution

c)

Coevolution

51.
Structures are similar in appearance but not in structure
a)
Vestigial 
b)
Homologous 
c)
Analogous Structures 
d)
Embryonic 
52.

Which of the following is the collection of life's remains found in sedimentary rock?

a)

natural selection

b)

homologous structures

c)

Charles Darwin

d)

the fossil record

53.

Similar structures with different purposes found in different species are known as _____

a)

vestigial structures

b)

DNA

c)

homologous structures

d)

the fossil record

54.

The picture shows a/an ___________

a)

homologous structure

b)

vestigial structure

c)

analogous structure

55.
The opossum and kangaroo both incubate their young in a pouch. This provides evidence that they---
a)
are descended from a common ancestor
b)
Have very similar skeletal structures
c)
belong to the same species
d)
must range great distances to eat
56.
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
57.

The appendix, which is not needed to survive, is conisdered to be a

a)

Homologous Structure

b)

Analagous Structure

c)

Vestigial Structure

d)

Homology

58.

An inherited characteristic that increases an organism's chance of survival

a)

adaptation

b)

evolution

c)

fitness

59.

By looking at the genes of some animals we can determine which living species are most closely related to each other. This also reveals which species most recently diverged from their common ancestor.

Based on the partial gene segments shown, which pair of animals are genetically most closely related and therefore most recently diverged from their common ancestor?

a)

Chimpanzee and Mouse

b)

Rat and Mouse

c)

Rat and Chimpanzee

60.

Images of the embryo and adult stages of three different organisms are shown.


Which of the following is the best conclusion that can be drawn from this evidence?

a)

Having similar embryos indicates that these organisms eat the same types of food.

b)

Having similar embryos indicates that these organisms live in a similar environment.

c)

Having similar embryos indicates that these organisms share a recent common ancestor.

d)

Having similar embryos indicates that a certain protein controls how many legs the adult organisms will have.

61.

Researchers discovered that the legs of birds are homologous to the feet of reptiles. Which claim is BEST supported by this fact?

a)

Birds do not require legs

b)

Birds and reptiles have a common ancestor

c)

They randomly developed the same structures

d)

Selection pressures have acted on birds, but not on reptiles

62.

What evidence presented here supports the argument that vertebrates and insects evolved from a common ancestor?

a)

The fact that the eye structures of vertebrates and insects are analogous

b)

The fact that the genes encoding the eye structures of vertebrates and insects are analogous

c)

The fact that the eye developmental genes of vertebrates and insects are homologous

63.

What does it mean that the eye structures and specific genes for those structures are analogous but the genes that control eye development are homologous?

Select all that apply

a)

It means vertebrates and insects had a common ancestor that possessed genes that coded for a primitive eye

b)

It means every species that descended from the common ancestor developed additional genes that made changed the structure of their eye

c)

It means that vertebrates and insects are not related to each other but developed eyes in a similar pattern

64.

Which of these statements does NOT help explain why the development of gene sequencing technology provided a turning point in evidence gathering related to this claim?

Select all that apply

a)

Before gene sequencing, the only evidence was the anatomical appearance of the eyes of vertebrates and insects

b)

Because the eye structures are so different in appearance, it was easy to conclude these groups had no evolutionary relationship with each other

c)

Gene sequencing shows that there are enough genetic similarities in the genes of eye development to suggest a very early common ancestor

d)

Gene sequencing shows that, since the genes encoding eye structures are analogous, that vertebrates and insects share no common ancestors

65.

Scientists can explore whether two different animal species have evolved from a common ancestor, using evidence from all of the sources below EXCEPT

a)

analysis of strands of DNA

b)

comparisons of bones and muscles

c)

comparison of the experiences of each organism

d)

studies of embryos during development

66.

Two bodily structures, found in different species, have different internal bone structures but serve a similar purpose in each organism. This is most likely describing

a)

homologous structures

b)

vestigial structures

c)

analogous structures

d)

natural selection

67.

If scientists wanted to learn more about evolution by studying biochemistry, they would study all of the following EXCEPT

a)

DNA

b)

proteins

c)

nucleic acids

d)

lipids (fats)

68.

Ostriches have wings, but do not fly. Humans have an appendix with no apparent function, Whales contain bones for rear legs. Each of these are examples of

a)

homologous structures

b)

vestigial structures

c)

analogous structures

d)

natural selection

69.

Fossil evidence shows that structures considered vestigial in living organisms

a)

are not found in ancient organisms

b)

have always be vestigial

c)

were useful to their ancestors

d)

do not fill gaps in the fossil record

70.

Evidence of evolution from the field of paleontology examines

a)

sequences of DNA and protein

b)

embryos of different species

c)

the location of different species across the planet

d)

fossils compared to living species

71.

Early during development, organisms as diverse as a human, a mouse, and a bat can appear indistinguishable. All of their embryos look nearly identical, suggesting that

a)

during development, humans go through stages of being a mouse and a bat.

b)

similar structures have developed because of convergent evolution

c)

these very different species have a shared ancestry with all mammals.

d)

this is a coincidental resemblance between them

72.

Select all the fields of science discussed in class that provide evidence for evolution.

a)

Biochemistry

b)

Paleontology

c)

Biogeography

d)

Embryology

e)

Direct Observation

73.

Which IS NOT used as evidence for evolution?

a)

Fossils

b)

Natural Selection

c)

Early Development/Embryos

d)

Body Structure/Anatomy

e)

DNA/Proteins

74.

2-word naming system by Carolus Linnaeus

a)

Binomial nomenclature

b)

Dual names

c)

Dual nomenclature

d)

Binomial names

75.

All life is classified into _______ domains based on common characteristics.

a)

2

b)

3

c)

4

d)

5

76.

What is the common ancestor of Letters A, B, C, D, E?

a)

1

b)

2

c)

3

77.
Which of the following organisms are LEAST closely related?
a)
organisms that share a domain
b)
organisms that share a family 
c)
organisms that share a genus 
d)
organisms that share a species 
78.
The scientific name for an organism is made from the:
a)
class and family name
b)
genus and species name
c)
domain and kingdom name
d)
kingdom and phylum name
79.

On the cladogram, which organism is the closest relative of the human?

a)

Parrot

b)

Shark

c)

Hare

80.

Places on a phylogenetic tree where organisms share a common ancestor are called...

a)

Nodes

b)

Branches

c)

Taxa

d)

Species

81.

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

a)

Fish

b)

Frog

c)

Salamander

d)

Human

82.

What do you call the traits shown on phylogenetic trees, such as "four limbs" or "vertebrae"?

a)

Derived characteristics

b)

Speedy Lambofeeties

c)

Branching elements

d)

Harmonious changes

83.

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

84.

What number is the common ancestor of C and D

a)

1

b)

2

c)

3

d)

4

85.

From the picture above, What do the species all have in common?

a)

Back bone

b)

Same father

c)

Common ancestor

d)

Feathers

86.

Phylogeny is usually represented by a tree diagram called a _________ - _____

a)

Genetic Line

b)

Phylogenetic Tree

c)

Photographic Queue

d)

Future Babies

87.

Who is the closest relative to the brown bear?

a)

Giant panda

b)

Dog

c)

Lesser panda

d)

Sun bear

88.

The lizard has all these derived characteristics EXCEPT

a)

Jaws

b)

Lungs

c)

Bipedal

89.

How many derived characteristics are represented on the diagram above?

a)

2

b)

3

c)

5

90.

Which animals have amniotic eggs?

a)

Turtle and Tuna

b)

Turtle and Leopard

c)

Lancelet and Lamprey

91.

Which organism does not have a Vertebral Column?

a)

Lamprey

b)

Lancelet

c)

Tuna

92.

According to this cladogram, sharks are MOST closely related to which organism?

a)

Amphibians

b)

Ray-Finned Fish

c)

Primates

93.

Which trait do only humans have, according to the cladogram?

a)

Bipedal and Opposable Thumbs

b)

jaws

c)

tetrapod

94.

According to binomial nomenclature, species are given two names based on their

a)

kingdom and species

b)

genus and species

c)

class and phylum

d)

order and genus

95.

Which of the choices below would be most closely related to the Harmonia axyridis ?

a)

Curculio nimbusa

b)

Diapres brevius

c)

Harmonia yelloritus

d)

Lixus scrobicollis

96.

Which of the following statements about phylogenetic trees is NOT true?

a)

They show which groups of organisms are most closely related.

b)

They show which groups of organisms are more advanced than other groups.

c)

They show which group of organisms diverged longest ago.

d)

They show predictions of evolutionary relationships from the analysis of shared heritable traits.

97.

Which of the following sequences shows the correct hierarchy of classification, going from broadest to most specific?

a)

Kingdom, Domain, Phylum, Order, Class, Family, Genus, Species

b)

Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species

c)

Genus, Species, Kingdom, Phylum, Order, Class, Family

d)

Domain, Phylum, Kingdom, Genus, Species, Family, Order, Class

98.
Which of the following ideas is supported by Darwin’s observation of local variation among tortoises in the Galápagos Islands? 
a)
artificial selection
b)
adaptation
c)
acquired characteristics
d)
tendency towards perfection
99.

By looking at the genes of some animals we can determine which living species are most closely related to each other. This also reveals which species most recently diverged from their common ancestor.

Based on the partial gene segments shown, which pair of animals are genetically most closely related and therefore most recently diverged from their common ancestor?

a)

Chimpanzee and Mouse

b)

Rat and Mouse

c)

Rat and Chimpanzee

100.

Which rock layer contains the newest fossils?

a)
F
b)
E
c)
B
d)
C