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Unit 7 Evolution Review GEN BIO

Total questions: 62

Worksheet time: 34mins

Name
Class
Date
1.

The difference in the physical trait of an individual from others in the group.

a)

Variation

b)

Natural selection

c)

Speciation

d)

Evolution

2.

The formation of a new species.

a)

Artificial selection

b)

Speciation

c)

Gene flow

d)

Genetic drift

3.

His theory on populations & competition helped Darwin develop his theory of Natural Selection.

a)

Lyell

b)

Wallace

c)

Malthus

d)

Lamarck

4.

The study of embryology states that species with similar stages of development show _______.

a)

Speciation

b)

Convergent evolution

c)

No relation at all.

d)

Common ancestry

5.

Species with large amounts of similar DNA sequences are considered _____ related to each other.

a)

More

b)

Less

c)

No more or less

6.

Which factor(s) increases genetic variation in populations? Select all that apply.

a)

Mutations

b)

Sexual reproduction

c)

Gene flow

d)

Genetic drift

7.

Pelvises in whales & tail bones in humans are examples of which structure?

a)

Vestigial structures

b)

Homologous structures

c)

Analogous structures

d)

Forelimbs in quadrupeds

8.

A random change in the DNA of an organism.

a)

Natural selection

b)

Mutation

c)

Genetic drift

d)

Gene flow

9.

Which structures show common ancestry between species?

a)

Analogous structures

b)

Homologous structures

c)

Vestigial organs

d)

Alleles

10.

Structures that appear similar on the outside but have a different origin.

a)

Analogous structures

b)

Homologous structures

c)

Vestigial organs

d)

Alleles

11.

Changes in the DNA of species over time.

a)

Natural selection

b)

Artificial selection

c)

Evolution

d)

Populations

12.

Which of the following is not an cause of reproductive isolation?

a)

Geographical isolation

b)

Behavioral isolation

c)

Sexual reproduction

d)

Mechanical isolation

13.

A group of organisms on a cladogram that share a close common ancestor.

a)

Gene pool

b)

Mutation

c)

Species

d)

Clade

14.

Chart that measures how groups of organisms relate to each other through evolution over time.

a)

Cladogram

b)

Clade

c)

Population

d)

Species

15.

Process where organisms better adapted to the environment survive & produce more offspring.

a)

Artificial selection

b)

Sexual selection

c)

Natural selection

d)

Reproductive isolation

16.

Reproductive isolation that is caused by different mating seasons or different awake schedules.

a)

Mechanical isolation

b)

Geographical isolation

c)

Behavioral isolation

d)

Temporal isolation

17.

Reproductive isolation that occurs when two species are kept apart by their environment.

a)

Mechanical isolation

b)

Geographical isolation

c)

Behavioral isolation

d)

Temporal isolation

18.

Structures that appear different on the outside but are similar on the inside are called _____.

a)

Forelimbs

b)

Analogous

c)

Vestigial

d)

Homologous

19.

Wings in insects are birds are examples of which type of structures?

a)

Analogous

b)

Homologous

c)

Vestigial

d)

Alleles

20.

Which structures indicate a common ancestor between two species?

a)

Vestigial structures

b)

Homologous structures

c)

Analogous structures

d)

Adaptations

21.

Biological fitness is measured by how well an organism ___________ & ___________.

a)

Reproduces & adapts

b)

Adapts & overcomes

c)

Survives & reproduces

d)

Survives & adapts

22.

True of false: An organism can acquire adaptations over a lifetime.

a)

True

b)

False

23.

Which two organisms are more closely related?

a)

Salamander and hagfish

b)

Chimpanzee and lizard

c)

Mouse and salamander

d)

Hagfish and perch

24.

Which of the following are evidence for evolution? Check all that apply

a)

Embroylogy

b)

Fossils

c)

Molecular biology

d)

Analogous structures

e)

Biogeography

25.

Evolution between 2 or more non-breeding species that have a close relationship with each other.

a)

Coevolution

b)

Natural selection

c)

Divergent evolution

d)

Convergent evolution

26.

The appearance of apparently similar structures in organisms of different lines of descent.

a)

Divergent evolution

b)

Coevolution

c)

Natural selection

d)

Convergent evolution

27.

The process by which a species evolves into two or more descendants or different forms.

a)

Convergent evolution

b)

Natural selection

c)

Coevolution

d)

Divergent evolution

28.

What does a node represent?

a)

A common ancestor.

b)

A derived trait.

c)

A branching point.

d)

A modern species.

29.

Variation in the physical traits of organisms that allow them to survive in their environment.

a)

Mutations

b)

Natural selection

c)

Trait

d)

Adaptations

30.

Members of populations that can breed with each other in nature.

a)

Reproductive isolation

b)

Biological species concept

c)

Mutatation

d)

Natural selection

31.

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 flower’s pollen structure is just the right length for the hummingbird to pick up pollen as it feeds. Which type of evolution is this?

a)

Convergent

b)

Divergent

c)

Adaptive radiation

d)

Coevolution

32.

The Galloti atlantica and Galloti galloti lizards evolved through natural selection from a common ancestor into a wide variety of different looking lizards. Which type of evolution is this?

a)

Convergent

b)

Divergent

c)

Adaptive radiation

d)

Coevolution

33.

Whales, sharks, and penguins all have streamlined bodies and fins/flippers for moving in water even though they belong in different classes of animals (mammals, fish, and birds). Which type of evolution is this?

a)

Convergent

b)

Divergent

c)

Adaptive radiation

d)

Coevolution

34.
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.
35.
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
36.

1. The process of choosing parent organisms for desired characteristics is called

a)

natural selection

b)

Artificial selection

c)

random selection

d)

genetic manipulation

37.

What is an example of artificial selection?

a)

Letting dogs choose their own mate

b)

Letting plants pollinate on their own

c)

Crossing a labrador and a poodle to create a labradoodle

38.
The Biological Species Concept says...
a)
Organisms are part of the same species if they breed
b)
Organisms are part of the same species if they look the same
c)
Organisms are part of the same species if they can produce offspring that can also breed
d)
Organisms are part of the same species if they look the same and act the same
39.
Group of organisms capable of interbreeding and producing fertile offspring.
a)
species
b)
gene pool
c)
population
d)
homologous structure
40.

The measure of an organism's ability to survive and produce offspring relative to other members of a population .

a)
Natural Selection
b)
Adaptation
c)

Biological Fitness

d)
Variation
41.

Which of the following are evidence for evolution? Select all that apply.

a)

Fossil Record

b)

Biogeography

c)

Anatomical Structures

d)

Embryology

e)

Molecular Biology

42.

All of the alleles for all the different genes in an population.

a)

Gene Pool

b)

Gene Flow

c)

Genetic Drift

d)

Allele Frequency

43.

Frequency of an allele at a particular locus in a population, expressed as a fraction or percentage.

a)

Gene Pool

b)

Gene Flow

c)

Genetic Drift

d)

Allele Frequency

44.

Body parts on different species that have similar internal structure but may be used for different purposes.

a)

Homologous Structures

b)

Analogous Structures

c)

Vestigal Structures

d)

Variation

45.

Body parts on different species that have similar external use but do not have similar internal structure.

a)

Homologous Structures

b)

Analogous Structures

c)

Vestigal Structures

d)

Variation

46.

Structures and/or organs present in modern species that no longer serve a function or purpose.

a)

Homologous Structures

b)

Analogous Structures

c)

Vestigal Structures

d)

Variation

47.

The forelimbs in quadrupedal (4 limbed) animals is an example of...

a)

Homologous Structures

b)

Analogous Structures

c)

Vestigial Structures

d)

Variation

48.

Wings in bats, birds, and butterflies are examples of...

a)

Homologous Structures

b)

Analogous Structures

c)

Vestigial Structures

d)

Variation

49.

Hip and femur bones in whales and snakes are an example of...

a)

Homologous Structures

b)

Analogous Strucutres

c)

Vestigial Structures

d)

Variation

50.

Which of the following were part of Darwin's/Wallace's Theory of Evolution? Select all that apply.

a)

Populations have naturally occurring variation.

b)

Populations produce more offspring than the environment can support.

c)

Organisms compete for resources.

d)

Organisms better suited for the environment will survive & pass their traits onto their offspring.

e)

Populations do not change over time.

51.

Random change in a population's gene pool that decreases genetic variation.

a)

Natural Selection

b)

Gene Flow

c)

Artificial Selection

d)

Genetic Drift

52.

Type of genetic drift where a small group of organisms colonizes an area and starts a new, smaller, population.

a)

Bottleneck Effect

b)

Founder Effect

c)

Sexual Selection

d)

Natural Selection

53.

Type of genetic drift caused by drastic reduction in population size due to natural disasters.

a)

Bottleneck Effect

b)

Founder Effect

c)

Artificial Selection

d)

Natural Selection

54.

Natural selection arising through preference by one sex for certain characteristics in individuals of the other sex.

a)

Artificial Selection

b)

Sexual Selection

c)

Genetic Drift

d)

Gene Frequency

55.

The science of describing, classifying, and naming living things is called:

a)

Geology

b)

Biology

c)

Taxonomy

d)

Chemistry

56.
Cladograms are constructed by grouping organisms together based on their____________ characteristics.
a)

derived

b)
different
c)
similar
d)
opposite
57.
What trait separates sharks from ray-finned fish?
a)
Vertebrae
b)
Bony skeleton
c)
Four limbs
d)
None
58.

Which species is most closely related to species C?

a)

A

b)

B

c)

D

59.

Which letter represents the most recent common ancestor of sponges and mushrooms?

a)

A

b)

B

c)

C

d)

D

e)

E

60.

Relative dating describes

a)

The comparison of decay rates of radioactive isotopes.

b)

The comparison of multiple layers of rock and the ages when they were deposited.

c)

The analysis of the half-life of an isotope relative to carbon-12.

d)

The analysis of one stratum of rock in isolation.

61.

A radioactive isotope's half-life is defined as

a)

The amount of time it takes for an element to lose 50% of its mass as heat.

b)

The amount of time it takes for a 50% of a daughter isotope to decompose into the parent isotope.

c)

The amount of time it takes for 50% of an element's original mass to decay into a more stable isotope.

d)

Its abundance in 50% of rock layers that were deposited on Earth's observable surface.

62.

What is Radiometric Dating?

a)

Arrangement of geological events and rocks left behind in a sequence

b)

Materials found on the rock surface that indicate its age

c)

Observation of strata to comparatively determine their age

d)

Technique used to numerically determine the approximate age of fossils or rocks

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