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Unit Test Review

Total questions: 48

Worksheet time: 43mins

Name
Class
Date
1.
At the end of the Mesozoic Era there was a mass extinction.  Which of the following is attributed as being the main cause?
a)

asteroid impact

b)

major volcanic eruption

c)

earthquakes

d)

climatic changes

2.
On the geologic time scale, eras are divided in to
a)
Epochs
b)
Periods
c)
Indexes
d)
Relative dates
3.

In which era were dinosaurs the dominant species?

a)

Cenozoic

b)

Paleozoic

c)

Mesozoic

d)

Quarternary

4.

The earliest form of life (cyanobacteria) appeared during the

a)

Paleozoic Era

b)

Cenozoic Era

c)

Precambrian Time

d)

Mesozoic Era

5.

Which is the correct order of geologic time units from SMALLEST to LARGEST?

a)

Epoch, period, era, eon

b)

Epoch, era, period, eon

c)

Eon, era, period, epoch

d)

Period, eon, epoch, era

6.

What event marks the end of each geologic era?

a)

1 million years

b)

burst of new life forms

c)

mass extinction

d)

ice age

7.
During which geologic time or era did humans first appear?
a)
Cenozoic
b)
Mesozoic
c)
Paleozoic
d)
Precambrian
8.
During which geologic era did trilobites, mosses and ferns first appear in the fossil record?
a)
Paleozoic
b)
Mesozoic
c)
Cenozoic
d)
Precambrian
9.
Which division on the geologic time scale is the shortest?
a)
epoch
b)
era
c)
eon
d)
period
10.

During which Era appeared the EARLIEST reptiles?

a)

Cenozoic

b)

Paleozoic

c)

Mesozoic

d)

Precambrian

11.
What type of animal lived only during the Mesozoic Era?
a)

Mammals

b)

Amphibians

c)

Dinosaurs

d)

All of them

12.
What is a mass extinction?
a)

When all the species in a particular area on earth suddenly go extinct

b)

When multiple species (>50%) from all over the earth suddenly go extinct 

c)

When one species goes extinct due to habitat changes

d)

When all life on earth is wiped out 

13.
How old do Paleontologists believe the Earth is?
a)
2015 years old
b)
3.6 billion years old
c)
4.6 billion years old
d)
4.6 million years old
14.
Humans are causing extiction in which ways?
a)
By over hunting animals for food or products.
b)
By destroying the natural habitat of species.
c)
By polluting the environments of the world.
d)
All of the above.
15.

Which of the following was a natural factor that caused extinctions?

a)

Over harvesting of farmland

b)

Changes in the oxygen levels due to algae blooms

c)

Pollution from industrialization

d)

Habitat destruction due to new construction

16.

The theory that undisturbed layers of rock have the oldest layers on the bottom and the youngest on the top is called ______

a)

fossil record

b)

rock cycle

c)

law of superposition

d)

stratum

17.
According to the law of superposition, the oldest fossils are found 
a)
At the top of the rock layers
b)
Near the bottom of the rock layers
c)
In the middle of the rock layers
d)
Somewhat near the surface
18.
Which rock layer in the diagram seems to be the oldest?
a)
F
b)
E
c)
B
d)
A
19.
Which type of dating method can be used on rock layers by applying the Law of Superposition?
a)
relative dating
b)
absolute dating
c)
radioactive dating
d)
radiometric dating
20.
Which of the following orders the rock layers accurately from oldest to youngest?
a)
A, B, C, D, E, F, G, H
b)
B, F, G, C, D, H, A, E
c)
B, G, C, D, E, H, A, F
d)
F, A, H, E, D, C, G, B
21.
Which fossil is relatively the oldest?
a)
Trilobite
b)
Ammonite
c)
Crinoid
d)
Gastropod
22.
An archaeologist made the following diagram of a dig site. What can be said about the pottery as compared to the skull found in the site?
a)
The rock layer with the pottery is more recent than the rock layer with the skull.
b)
The rock layer with the skull is more recent than the rock layer with the pottery.
c)
The rock layer with the skull is approximately the same age as the rock layer with the pottery.
d)
The rock layer with the skull has an absolute date of 17,000 years.
23.
The age of a rock compared to the ages of other rocks is the rock's
a)
absolute age
b)
geologic age
c)
sedimentary age
d)
relative age
24.
An organism that no longer exists on Earth is called
a)
Decayed
b)
Evolved
c)
Extinct
d)
Preserved
25.
To be considered an index fossil, it had to have lived for a relatively short period of time.
a)
True
b)
False
26.

Which of the following does NOT describe an index fossil?

a)

found all over the earth (widespread)

b)

existed for a relatively short period of time

c)

many fossils found in only a few layers

d)

found in an isolated (small) area only

27.
this type of fossil is a mark or cavity made in sediment in the shape of a shell or other body
a)
cast
b)
trace
c)
petrified
d)
mold
28.
this type of fossil is a mold filled with sediment that creates a solid copy of an organism
a)
mold
b)
petrified
c)
cast
d)
trace
29.
Which animal part would MOST LIKELY form a fossil?
a)
fur
b)
lung
c)
bone
d)
muscle
30.
This type of fossil forms when minerals soak into the buried remains, replacing the remains, and changing them into rock.
a)
mold
b)
cast
c)
petrified
d)
preserved
31.
What are the remains, imprints, or traces of once-living organisms?
a)
index fossils
b)
fossil
c)
mold
d)
cast
32.

Preserved footprints, or fossilized feces are examples of _________

a)

trace fossils

b)

carbonized fossils

c)

cast fossils

d)

mold fossils

33.

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.

34.

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

a)

Because the parents with the trait are more likely to survive and reproduce.

b)

Because they come from dominant males

c)

Because the parents with the trait died before reproducing

d)

Because the trait is an acquired by the environment

35.

What word describes a trait or behavior that helps an organism survive in its environment?

a)

natural selection

b)

mutation

c)

camouflage

d)

adaptation

36.
Which organisms are most likely to survive?
a)
the best adapted
b)
the fastest
c)
the strongest
d)
the most domesticated (tamed)
37.
The differences among a species, like different bird beaks, are called
a)
genes.
b)
variations.
c)
traits.
d)
theories.
38.
What process is being shown in this image?
a)
Variation
b)
Natural Selection
c)
Selective Breeding
d)
Homeostasis
39.
Where do adaptations come from?
a)
The individual organism decides to adapt
b)
Mutations that give an organism an advantage in its environment
40.
Mutations are important because they bring about
a)
death of the organism in which they develop
b)
genetic variation needed for a population to evolve
c)
benefits for the individual, not for the population
d)
Hardey-Weinberg equilibrium within a population
41.
Darwin wrote that organisms with traits that are best suited to the environment will ________________
a)
increase in number
b)
become extinct
42.
Another word for adapt is ____________.
a)
change
b)
create
43.
Which term refers to the process by which individuals that are better suited to the environment survive and reproduce therefore passing down their genes to their offspring? 
a)
Evolution 
b)
Variation 
c)
Adaptation
d)
Natural Selection 
44.

The gradual change in a species over time is...

a)

Evolution

b)

Nucleotide 

c)

Adaptation

d)

Natural Selection

45.
The white feathers of a snowy owl allow it to blend in with its environment during the winter months (snow). This is an example of ________________
a)
Species
b)
Environmental Change
c)
Adaptation
d)
Variation
46.

The longest part of Earth's history is known as the ​ (a)   . The time after that is divided into ​ (b)   and then ​ (c)   and then broken down into ​ (d)   .

Choose from the below words
Precambrian
Eons
eras
periods
47.

Match the following

Age of Reptiles

Paleozoic

Age of Marine Life

Mesozoic

Age of Mammals

Cenozoic

48.

Put the following in order from OLDEST to MOST RECENT

a)

Precambrian

b)

Paleozoic

c)

Mesozoic

d)

Cenozoic

1)
2)
3)
4)

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