Worksheets4.1 Geologic Time
Total questions: 31
Worksheet time: 1hrs 2mins
Name
Class
Date
1.
Fossils of fish are found under land where cows now live. What does this tell you?
a)
the fish were dropped their by flying birds
b)
this land was once under the ocean
c)
farmers fed the fish to the cows
d)
fish used to live on land
2.
Which animal part would MOST LIKELY form a fossil?
a)
fur
b)
lung
c)
bone
d)
muscle
3.
Why do bones and teeth remain as part of some fossils?
a)
they are white
b)
bones are large
c)
the parts are hard
d)
bones decay easily
4.
These are dinosaur footprints. What is this a example of?
a)
All of the below!!!!!
b)
index fossil
c)
permineralized remains
d)
trace fossil
5.
What is hardened tree sap?
a)
coprolites
b)
index fossils
c)
gastroliths
d)
amber
6.
Which best describes fossils?
a)
They are the preserved remains or evidence of ancient living things
b)
They are the preserved remains or evidence of ancient living and nonliving things
c)
They are the preserved bones of ancient animals
d)
They are impressions of plant leaves in ancient rocks
7.
Which type of fossil is pictured?
a)
mold
b)
cast
c)
carbon film
d)
petrified fossil
8.
That fossil looks like a piece of a tree, but it's actually made of rock! What type of fossil is it?
a)
preserved remains
b)
petrified fossil
c)
carbon film
d)
trace fossil
9.
What type of fossil is pictured?
a)
preserved remains
b)
trace fossil
c)
carbon film
d)
petrified fossil
10.
What type of fossil is pictured?
a)
mold
b)
cast
c)
trace fossil
d)
petrified fossil
11.
Which type of fossil can tell you about the BEHAVIOR of ancient organisms? (ex. how they hunted, what kind of home they created, etc.)
a)
mold
b)
cast
c)
trace fossil
d)
preserved remains
12.
What type of fossil is this?
a)
Mold
b)
Carbon flim
c)
Cast
d)
Original Remains
13.
What type of fossil is this?
a)
Mold
b)
Cast
c)
Trilobite are awesome
d)
trace fossil
14.
What type of fossil is this?
a)
preservation of actual remains
b)
replacement of mineral matter
c)
molds,casts,imprints
15.
An______is an organism that lived for a short amount of time , were plentiful, and lived in a wide geographical area.
a)
index fossil
b)
I don't know fossil
c)
perserved fossil
d)
CHEAT
16.
These occur when original minerals in the fossil over time revert into more stable minerals, such as an apatite shell recrystallizing into the more thermodynamically stable calcite.
a)
Recrystallization
b)
Carbonization
c)
Internal molds
d)
External Molds
17.
These are much rarer than other fossil types. These are still intact parts of the organism. Actual remains can be seen preserved in ice, tar, or amber. A good example is mammoth hair. It is often frozen and still preserved.
a)
Actual remains
b)
Tar
c)
Trace fossils
d)
Replacement
18.
When organisms become trapped in this, due to the oxygen deprived environment, it allows for the rapid burial of body parts which are well preserved.
a)
Tar
b)
Actual remains
c)
Trace fossils
d)
Replacement
19.
(540 mya to 490 mya) The first period, this is when marine invertebrates start to emerge. Part of the Age of Invertebrates, as with the Ordovician Period.
a)
Cambrian
b)
Ordovician
c)
Silurian
d)
Devonian
20.
(490 mya to 443 mya) Primitive fish start to form. Index fossil is the trilobite genus Cryptolithus. Part of the Age of Invertebrates, as with the Cambrian Period.
a)
Cambrian
b)
Ordovician
c)
Silurian
d)
Devonian
21.
(443mya to 417 mya) Early land animals began to emerge. Part of the Age of Fishes, as with the Devonian Period.
a)
Silurian
b)
Ordovician
c)
Cambrian
d)
Carboniferous
22.
(417 mya to 354 mya) First forests and amphibians form. Index fossils include Mucrospirifer (brachiopod genus) and Phacops (trilobite genus). Part of the Age of Fishes, as with the Silurian Period
a)
Devonian
b)
Ordovician
c)
Cambrian
d)
Carboniferous
23.
354 mya to 290 mya Contains both the Mississippian and Pennsylvanian Periods. Part of the Age of Amphibians, as with the Permian Period.
a)
Carboniferous
b)
Devonian
c)
Silurian
d)
Ordovician
24.
( 248 mya to 206 mya) First dinosaurs and earliest mammals.
a)
Triassic
b)
Jurassic
c)
Permian
d)
Devonian
25.
( 206 mya to 144 mya) Earliest birds
a)
Jurassic
b)
Triassic
c)
Cretaceous
d)
Permian
26.
(144 mya to 65 mya) Flowering plants (angiosperms) develop.
a)
Cretaceous
b)
Jurassic
c)
Triassic
d)
Permian
27.
(1.8 mya to present) Humans appear and develop. This is the period we are still in today.
a)
Quaternary
b)
Tertiary
c)
Jurassic
d)
Triassic
28.
Which of the following is a condition that will cause original preservation?
a)
permineralization
b)
freezing
c)
dendrochronology
d)
sedimentation
29.
What are fossilized feces called?
a)
coprolites
b)
index fossils
c)
gastroliths
d)
amber
30.
The hollowed out impression in a rock that is the same shape as a shell.
a)
cast
b)
mold
c)
trace fossil
d)
index fossil
31.
Which of the following is NOT a characteristic of an index fossil?
a)
hoas a wide geographic range
b)
is hard to find
c)
is easily recognized
d)
existed for a short geologic time
100 %
