Free Printable CBA Review Mechanism of Evolution

1.

Reindeer from a rancher in Alaska escape from their pen during an enormous snow storm. After their escape, they mate with wild caribou that are migrating across the land. The offspring of these have traits for short legs and have tame behavior.

a)

Gene Flow

b)

Genetic Drift

c)

Non-Random Mating

d)

Natural Selection

2.

Males of the bighorn sheep species fight one another to show females who is the dominant male and are more likely to mate with females.

a)

Natural Selection

b)

Mutation

c)

Genetic Drift

d)

Non-Random Mating

3.

During a hurricane, a population of beetles almost gets completely wiped out. The only beetles that survived were lucky that they were in their nest at the time of the hurricane and had enough food to survive.

a)

Natural selection

b)

Genetic Drift

c)

Gene Flow

d)

Non-Random Mating

4.

Insects become resistant to pesticides very quickly, sometime in one generation. If an insect is resistant to the chemical, most of the offspring will also be resistant. Considering that insect generations can be a matter of weeks, insects in an area can become immune to a chemical within months.

a)

Mutation

b)

Natural Selection

c)

Genetic Drift

d)

Gene Flow

5.

A chemical spill causes the offspring of ladybugs to have blue dots instead of black dots.

a)

Natural Selection

b)

Genetic Drift

c)

Mutation

d)

Gene Flow

6.

The country of Sweden is known for having people with blonde hair and blue eyes. One day a family moves from Sweden to India where dark hair and dark eyes are very common. A female from Sweden marries a male from India and their offspring now have blonde hair and blue eyed traits.

a)

Natural Selection

b)

Mutation

c)

Non-Random Mating

d)

Gene Flow

7.

A certain type of plant can produce blue or yellow flowers. During a fire, many yellow flowers are destroyed and now since blue is the dominant trait, the plant reproduces offspring that produce only blue flowers.

a)

Non-Random Mating

b)

Gene Flow

c)

Mutation

d)

Genetic Drift

8.

Reindeer from a rancher in Alaska escape from their pen during an enormous snow storm. After their escape, they mate with wild caribou that are migrating across the land. The offspring of these have traits for short legs and have tame behavior.

a)

Gene Flow

b)

Genetic Drift

c)

Non-Random Mating

d)

Natural Selection

9.

Males of the bighorn sheep species fight one another to show females who is the dominant male and are more likely to mate with females.

a)

Natural Selection

b)

Mutation

c)

Genetic Drift

d)

Non-Random Mating

10.

During a hurricane, a population of beetles almost gets completely wiped out. The only beetles that survived were lucky that they were in their nest at the time of the hurricane and had enough food to survive.

a)

Natural selection

b)

Genetic Drift

c)

Gene Flow

d)

Non-Random Mating

11.

Insects become resistant to pesticides very quickly, sometime in one generation. If an insect is resistant to the chemical, most of the offspring will also be resistant. Considering that insect generations can be a matter of weeks, insects in an area can become immune to a chemical within months.

a)

Mutation

b)

Natural Selection

c)

Genetic Drift

d)

Gene Flow

12.

A chemical spill causes the offspring of ladybugs to have blue dots instead of black dots.

a)

Natural Selection

b)

Genetic Drift

c)

Mutation

d)

Gene Flow

13.

The country of Sweden is known for having people with blonde hair and blue eyes. One day a family moves from Sweden to India where dark hair and dark eyes are very common. A female from Sweden marries a male from India and their offspring now have blonde hair and blue eyed traits.

a)

Natural Selection

b)

Mutation

c)

Non-Random Mating

d)

Gene Flow

14.

Which combination of characteristics in a population would provide the greatest potential for evolutionary change?

a)

Small population, low mutations rates

b)

Large population, low mutation rates

c)

Small population, high mutation rates

d)

Large population, high mutation rates

15.

Researchers studying medium ground finches on the island of Daphne Major in the Galapagos Islands collected the data below on the survival rates of finches with different sized beaks over a three-year period that included a drought.

Which statement about the finches in this environment is best supported by the data?

a)

Finches with large beaks are more fit for the environment than finches with small beaks are

b)

Finches with large beaks had more genes than the other finches did.

c)

Finches with small beaks reproduce more quickly than finches with large beaks.

d)

Finches with medium beaks had more mutations than the other finches did.

16.

Select the best answer based on the image.

a)

Gene Flow

b)

Genetic Drift

17.

Northern elephant seals have reduced genetic variation probably due to the effects humans inflicted on them in the 1890s. Hunting reduced their population size to as few as 20 individuals at the end of the 19th century. What evolutionary concept is displayed in this example?

a)

Bottleneck Effect

b)

Founder Effect

c)

Directional Selection

d)

Frequency Dependent Selection

18.

a)

gene flow

b)

natural selection

c)

bottleneck effect

d)

founder effect

19.

a)

gene flow

b)

natural selection

c)

bottleneck effect

d)

founder effect

20.

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 trait is an acquired phenotype.

21.

Predict which moth would increase in population

a)

light

b)

dark

c)

they would be 50:50 due to random variation

22.

Little finger = (a)

Ring finger = (b)

Middle finger= (c)

index finger = (d)

thumb = (e)

Choose from the below words

genetic drift

non-random mating

mutations

Gene flow

natural selection

23.

During a hurricane, a population of beetles almost gets completely wiped out. The only beetles that survived were lucky that they were in their nest at the time of the hurricane and had enough food to survive.

a)

Natural selection

b)

Genetic Drift

c)

Gene Flow

d)

Non-Random Mating

24.

Insects become resistant to pesticides very quickly, sometime in one generation. If an insect is resistant to the chemical, most of the offspring will also be resistant. Considering that insect generations can be a matter of weeks, insects in an area can become immune to a chemical within months.

a)

Mutation

b)

Natural Selection

c)

Genetic Drift

d)

Gene Flow

25.

A chemical spill causes the offspring of ladybugs to have blue dots instead of black dots.

a)

Natural Selection

b)

Genetic Drift

c)

Mutation

d)

Gene Flow

26.

A group of polar bears migrates from the ice floes where they live to the nearby forest, where they interbreed with the brown bears there. This is an example of...

a)

Genetic drift

b)

Gene flow

c)

Natural Selection

d)

Founder Effect

27.

A forest fire ignites in the Sam Houston State Forest and kills many members of a population of pigmy rattlesnakes.

a)

Gene Flow

b)

Genetic Drift

28.

Select the best answer based on the image.

a)

Gene Flow

b)

Genetic Drift

29.

Select the best answer based on the image.

a)

Gene Flow

b)

Genetic Drift

30.

What occurs when members of one population migrate and interbreed with another population.

a)

Mutation

b)

Gene Flow

c)

Bottle Neck Effect

d)

Even distribution of traits

31.

Non-Random Mating occurs when:

a)

Organisms may prefer to mate with others of the same genotype or of different genotypes

b)

Organisms and gametes enter a population with new alleles

c)

Mutations occur more frequently

d)

An organism's biological fitness decreases

32.

69.7% accuracy: There are two populations of salamanders living on nearby islands. If some of the salamanders from Island A were able to reach Island B and join the salamander population there, which of the following would result?

a)

an increase in genetic variation on Island A

b)

an increase in genetic variation on Island B

c)

genetic drift on Island A

d)

natural selection on Island A

33.

A few deer wander out of their native woods into a completely new park where no deer had ever been before. They go on to create an entirely new population.

a)

Genetic Drift

b)

Natural Selection

c)

Non-random mating

d)

Mutation

34.

A population is

a)

a group of similar species in different areas

b)

a group of the same species in the same geographic area.

c)

a group of several species in the same geographic area

d)

a group of several species along with their abiotic factors in a small area.

35.

61% accuracy: In rock pocket mice, for thousands of years the dominant fur color is lighter colored fur. Occasionally a mouse will be born with a change in the MC1R gene, which causes a darker fur color. This change is an example of a(n)...

a)

gene flow

b)

natural selection

c)

mutation

d)

artificial selection

36.

Insects become resistant to pesticides very quickly, sometime in one generation. If an insect is resistant to the chemical, most of the offspring will also be resistant. Considering that insect generations can be a matter of weeks, insects in an area can become immune to a chemical within months.

a)

Mutation

b)

Natural Selection

c)

Genetic Drift

d)

Gene Flow

37.

Survival of the fittest or when favorable adaptations reproduce faster is called what?

a)

Evolution

b)

Adaptation

c)

Natural selection

d)

Fossilization

38.

What do we call a change in the genome over time?

a)

Evolution

b)

Adaptation

c)

Extinction

d)

Environmental influences

39.

According to the diagram, what is the common ancestor of ALL organisms on the phylogenetic tree?

a)

B

b)

C

c)

D

d)

E

40.

According to this cladogram, birds are LEAST related to - (a)

Choose from the below words

Amphibians

Sharks

Ray Finned Fish

Crocodiles

41.

Which numbered location on the phylogenetic tree identifies characteristics shared by Species B, C, and D?

A

B

C

D

42.

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

43.

Which organism is the most distantly related to all the others?

a)

Raccoon

b)

Dog

c)

Giant Panda

d)

Sun Bear

44.

Who is the closest relative to the brown bear?

a)

Giant panda

b)

Dog

c)

Lesser panda

d)

Sun bear

45.

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

a)

1

b)

2

c)

3

d)

4

46.

Who is most closely related to Taxidea taxus?

a)

Lutra lutra

b)

Panthera pardus

c)

Canis latrans

d)

Canis lupus

47.

Cytochrome c is a protein made up of 104 amino acids. It is found in the mitochondria and aides in the electron transport chain during cellular respiration. The data table represents the number of amino acid differences in cytochrome c between organisms A, B, C, and D.

The phylogenetic trees represent possible interpretations of the data in the chart.

Which two phylogenetic trees represent the data most accurately? (choose 2)

a)

b)

c)

48.

What is the best inference about biochemical relationships that could be made from this model?

a)

The amino acid sequences of a lancelet and a tuna are more similar than that of a tuna and a salamander. This is due to the lancelet and the tuna both residing entirely in water while the salamander can survive on land.

b)

The amino acid sequences of a salamander and a turtle are less similar than that of a turtle and a leopard. This is due to the turtle and the salamander both being adapted to life in water or land.

c)

The amino acid sequences of a lancelet and a tuna are less similar than that of a tuna and a salamander. This is due to the lancelet and the tuna splitting from a common ancestor longer ago.

d)

The amino acid sequences of a salamander and a turtle are more similar than that of a turtle and a leopard. This is due to the turtle and the salamander both being adapted to life in water or land.

49.

The lizard has all these derived characteristics EXCEPT

a)

Jaws

b)

Lungs

c)

Bipedal

50.

What separates rodents and primates from crocodiles on this cladogram?

a)

Bony Skeleton

b)

Vertebrae

c)

Eggs with shells and hair

d)

Four Limbs

51.

Which organism's DNA will differ the most from the bird?

a)

Rodents

b)

Raufinned fish

c)

Sharks

d)

Amphibians

52.

According to the cladogram, which organism is most distantly related to the human?

a)

crayfish

b)

grasshopper

c)

perch

d)

frog

53.

Which term is defined as: a branching diagram showing relationships between organisms that are connected by a common ancestor

a)

Fossil Records

b)

Descent Graph

c)

Cladograms

d)

Phylogenetic Tree

54.

Which term is defined as: a specific type of tree that includes traits of species on the tree

a)

Fossil Records

b)

Descent Graph

c)

Cladograms

d)

Phylogenetic Tree

55.

Which of the following is a phylogenetic tree? (choose all that apply)

a)

b)

c)

56.

Which number represents the common ancestor of all species on the tree?

a)

1

b)

2

c)

3

d)

4

57.

Which number(s) do species C and D have in common?

a)

1

b)

2

c)

3

d)

4

58.

Which number(s) do species B and D have in common?

a)

1

b)

2

c)

3

d)

4

59.

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

a)

Fish

b)

Frog

c)

Salamander

d)

Human

60.

Who is the closest relative to the brown bear?

a)

Giant panda

b)

Dog

c)

Lesser panda

d)

Sun bear

61.

An inheritable characteristic that gives a survival advantage to the organism

a)

speciation

b)

adaption

c)

rapid speciation

d)

derived character

62.

Which trait (adaptation) was developed most recently?

a)

tetrapod limbs

b)

feathers

c)

amnion

d)

They developed at the same time

63.

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

a)

Bacteria & Archaea

b)

Archaea & Eukarya

c)

Eukarya & Bacteria

64.

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

a)

Fish

b)

Frog

c)

Salamander

d)

Human

65.

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

66.

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

67.

What number is the common ancestor of C and D

a)

1

b)

2

c)

3

d)

4

68.

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

a)

Back bone

b)

Same father

c)

Common ancestor

d)

Feathers

69.

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

70.

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

71.

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

a)

Genetic Line

b)

Phylogenetic Tree

c)

Photographic Queue

d)

Future Babies

72.

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

a)

1

b)

2

c)

3

d)

4

73.

Who is the closest relative to the brown bear?

a)

Giant panda

b)

Dog

c)

Lesser panda

d)

Sun bear

74.

Which organism is the most distantly related to all the others?

a)

Raccoon

b)

Dog

c)

Giant Panda

d)

Sun Bear

75.

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

76.

On a phylogenetic tree, what do the branch lengths represent?

a)

The age of the organisms

b)

amount of genetic change since divergence

c)

amount of genetic change since convergence

d)

The age of divergence

77.

Match the following

a)

Natural Selection

1.

Process where traits and organisms that are best adapted to the environment survive and reproduce.

b)

Adaptation

2.

A variation in a plant or animal that increases it chance of survival in its environment.

c)

Development

3.

The process by which animals and plants grow and develop.

d)

Diversity

4.

The variation of life forms present in different ecosystems.

e)

Species

5.

Organisms that can reproduce, have similar characteristics, and have a common gene pool.

78.

Match the following

a)

1.

Diversity

b)

2.

Natural Selection

c)

3.

Adaptation

d)

4.

Species

e)

5.

Development

79.

A process in nature where traits and organisms that are best adapted to the environment survive and reproduce.

(a)

80.

A variation in a plant or animal that increases it chance of survival in its environment.

(a)

81.

The process by which animals and plants grow and develop.

(a)

82.

The evolutionary tendency of organisms with a common ancestor to develop different adaptations or traits and become less related.

(a)

83.

A taxonomic category referring to organisms that can reproduce with one another, have similar characteristics, and have a common gene pool.

(a)

84.

The theory of evolution by natural selection means that what is changing over time?

a)

The inherited traits of a population.

b)

The acquired traits of a population.

c)

Hair color and eye color

d)

Attractive features.

85.

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

a)

Overproduction of offspring

b)

Natural selection

c)

variation

d)

adaptation

86.

(a) is when some organisms are more suited to their (b) . Fittest means the ability of an individual to (c) and (d) in its specific (e) .

Choose from the below words

survival of the fittest

environment

survive

reproduce

87.

The rat snake is found in a wide array of environments. They are found in woods, along the coast, in cities, and in mountains. They eat rats, birds, mice, and squirrels. Rat snake populations in these different environments often have varied colors and markings. There are gray ones, yellow ones, black ones, and mixes of these colors, depending on where they live. Which of the following best explains the differences in colors and markings of the rat snake?

a)

Rat snakes can choose to change their coloring to match the environment theyare in to avoid predators and catch prey more easily.

b)

Rat snakes with coloring and markings that helped them blend into their uniqueenvironment avoided predators and survived to reproduce.

c)

Rat snakes began eating different types of food depending on where they live.This changed their appearance over time.

d)

The variation in the coloring and marking of rat snake populations is so that ratsnakes can recognize other rat snakes that live in the same area.

88.

Process by which individuals that are better suited to their environment survive and reproduce most successfully; also called natural selection. (a)

Choose from the below words

Survival of the Fittest

Extinction

Derived trait

Artificial Selection

89.

The fossils found closer to the surface of the ground are generally -

(a)

Choose from the below words

Younger & more complex

Older & simpler

Younger & simpler

Older & more complex

90.

A bat wing and a butterfly wing are both used for flying but they are made differently. What type of structure is this?

a)

Homologous structure

b)

Analogous structure

c)

Vestigial structure

d)

Fossil structure

91.

A human arm and a whale fin have similar bone structure but the whale fin is used for swimming and the arm is used for reaching and grabbing. What type of structures are these?

a)

Homologous structures

b)

Analogous structures

c)

Vestigial structures

d)

Fossil structures

92.

When comparing the DNA of two different organisms, the more differences in the DNA base pairs the more-

a)

Closely related they are.

b)

Distantly related they are.

c)

It doesn't prove anything.

d)

They look alike.

93.

The moth wing and the bat wing are example of structures.

(a)

Choose from the below words

Analogous

Homologous

Vestigial

Fossil

94.

Which of the pictures above would be examples of homologous structures? (pick 2)

a)

1

b)

2

c)

3

95.

What type of evidence is shown with the diagram above?

a)

Molecular

b)

Anatomical

c)

Embryological

d)

Fossil

96.

The similarities of bone structure in the diagram provide evidence of what?

a)

The organisms probably use there forelimbs for the same thing.

b)

The organisms evolved from a common ancestor.

c)

The organisms have the same DNA.

d)

All vertebrate species have identical forelimbs.

97.

Match the following

a)

Analogous Structure

1.

Same function different structure

b)

Homologous Structure

2.

Same structure different function

c)

Comparative Embryology

3.

Comparing embryological development of different species

d)

Biochemical Evidence

4.

Comparing DNA and amino acid sequences of different species

e)

Vestigial Structures

5.

Structures in the body of an organism that no longer work.

98.

Which layer is the oldest

a)

B

b)

A

c)

E

d)

C

99.

Match the following

a)

1.

Fossil Evidence

b)

2.

Homologous Structures

c)

3.

Analogous Structure

d)

4.

Embryology

e)

5.

Biogeochemical Evidence

100.

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

CBA Review Mechanism of Evolution

Total questions: 100

Worksheet time: 2hrs 23mins

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