Name:     ID: 
 
Email: 

Fossils Chapter Test

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

Trace fossils are
a.
silhouettes of the orignal organism
c.
fossilized footprints, tail drags, or other evidence of an organism
b.
fossils that are traced in rock
d.
fossils scientists use to determine the age of rocks around it
 

 2. 

What is a carbon film?
a.
a cast of the orginal organism made of carbon residue
c.
a silhouette or shadow of the original organism made of a thin film of carbon
b.
a mold of the orignal organism made of carbon residue
d.
a silhoutte of the orignal organism made of a thin film of nitrogen
 

 3. 

What are index fossils?
a.
the footprints of an extinct organism
c.
fossils that have tiny numbers engraved upon them
b.
the shape of a fossil found in rocks
d.
fossils that we know when they existed and were found all over the world and we can use them to tell how old other fossils are
 

 4. 

Which of these is the most important whether or not an organism will become a fossil?
a.
the type of soil it is buried in
c.
its chemical makeup
b.
how quickly it gets buried and  is protected from scavengers, decomposers, and physical agents that break things down
d.
the weather conditions at the time of death
 

 5. 

When an organism gets buried, its body will disappear leaving behind its shape inside the rock.  This hollow shape is called..
a.
the mold
c.
the cast
b.
a trace fossil
d.
carbon film
 

 6. 

What kind of rock are most fossils found in?
a.
gravel
c.
sedimentary
b.
igneous
d.
metamorphic
 

 7. 

Studying the past by comparing it to what happens today describes
a.
uniformitarianism
c.
half-lives
b.
index fossils
d.
none of the above
 

 8. 

mc008-1.jpgIn a series of undisturbed rock layers where shale, layer B, is on top of a layer of sandstone, layer C, and under a layer of limestone, layer A, the ____.
a.
limestone is youngest
c.
sandstone is youngest
b.
shale is youngest
d.
beds are all the same age
 

 9. 

To find ____ age we use the properties of atoms in rocks and other objects to find their ages.
a.
Comparative
c.
Approximate
b.
Absolute
d.
Relative
 

 10. 

mc010-1.jpgLayer B contains an index fossil that is 20 million years old. If a layer of sandstone lies on top of a layer B, and there are no unconformities, the layer of sandstone must be ____.
a.
older than 20 million years
c.
about 20 million years old
b.
younger than 20 million years
d.
older than 60 million years
 

 11. 

With ____ dating, a rock's exact age can be determined, whereas with ____ dating, a rock's age is compared to the ages of other rocks.
a.
absolute, relative
c.
true, absolute
b.
relative, absolute
d.
relative, approximate
 

 12. 

What can we learn by studying fossils?
a.
how Earth's climates and landforms have changed
c.
how strong earthquakes are caused
b.
how the solar system was formed
d.
how hurricanes formed long ago
 

 13. 

There are several different layers in the soil along a bank of a creek. Two fossils are found in the bank, one near the bottom of the bank, close to the creek, and one higher up near the top. It can probably be said that the
a.
fossil found near the bottom is older than the fossil found near the top.
b.
fossils are about the same age since they were found along the same creek.
c.
fossils could not have come from the same animal since they were separated.
d.
two different fossils are evidence of how animals adapt to their environment over time.
 

 14. 

A fossil of an ocean fish was found in a rock on top of a mountain. This probably means that
a.
fish once lived on the mountain.
b.
the relative humidity was once very high.
c.
the mountain used to be under the ocean
d.
fish used to be amphibians like toads and frogs
 

 15. 

Uniformitarianism means
a.
In an undisturbed layer of rock, older rocks lie at the bottom and younger rocks lie at the top.
b.
What is happening on Earth today is similar to what happened in the past. If we study what is happening today, we can believe that the same things happened in the past
c.
The continents at one time were all part of a large landmass, but then they separated and moved apart.
d.
Layers of sedimentary rock contain more fossils than layers of metamorphic or igneous rock
 

 16. 

To find the absolute age of a fossil, a paleontologist woud use
a.
satellite imagery.
c.
seismic mapping.
b.
radioactive isotopes in the atoms of the fossil.
d.
magnetic resonance imaging.
 

 17. 

How do scientists know that dinosaurs and horses did not exist in the same geological eras?
a.
Dinosaurs would have destroyed any mammals, including horses.
b.
Horses would have become extinct along with dinosaurs.
c.
There are no rock layers that have fossils of both dinosaur and horse remains.
d.
Horse fossils are found only in rock layers below layers with dinosaur fossils.
 

 18. 


The diagram shows layers of sedimentary rocks and examples of their fossils. Which layer contains the oldest fossils?
mc018-1.jpg
a.
1
c.
3
b.
2
d.
4
 

 19. 

If this is our index fossil and it is 200 million years old, mc019-1.jpg  how old is layer 4 if each layer is 100 million years older than the layer above it?
mc019-2.jpg
a.
200 million years old
c.
400 million years old
b.
300 million years old
d.
500 million years old
 

 20. 

mc020-1.jpg
In this picture we have an unconformity, folded layers.  Which layer is the same age as layer 5?
a.
layer 1
c.
layer 3
b.
layer 2
d.
layer 4
 



 
         Start Over