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Fossils

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

 1. 

All of the following conditions help preserve organisms as fossils EXCEPT ____.
a.
quick burial by sediments
c.
protection from scavengers
b.
hard parts
d.
activities of microorganisms
 

 2. 

What does a paleontologist study?
a.
dinosaurs
c.
plants
b.
fossils
d.
life
 

 3. 

What kind of information have fossils provided for scientists?
a.
They have helped scientists determine when life first appeared on Earth
c.
They have helped scientists determine when organisms became extinct.
b.
they have helped scientists determine when plants and animals first lived on land
d.
all of these are correct
 

 4. 

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

 5. 

Why do many organisms leave carbon films as evidence of their lives?
a.
because the bones and tissues of most organisms are made of carbon compounds
c.
because the bones and tissues of most organisms do not contain carbon
b.
because the tissues of most organisms are made of nitrogen compounds
d.
most organisms that change into fossils actually burn up leaving behind carbon
 

 6. 

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

 7. 

How is sediment transformed into rock?
a.
compaction and cementation
c.
cementation
b.
compaction
d.
heat and pressure
 

 8. 

What natural preservative have scientists discovered fossils inside of ?
a.
amber
c.
tar
b.
ice or frozen ground
d.
all of these
 

 9. 

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

 10. 

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

 11. 

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

 12. 

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



 
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