1.What is an Index Fossil used for?
a. a fossil that helps identify the age of a rock
b. A creature that had a long snout, and long teeth
c. Fossil which indicates what type of environment that existed
d. nothing, it’s displayed at a museum.
2.What are the characteristics of an Index fossil
a. land dwelling creature, lived a specific period of time, widespread
b. common, widespread, lived a specific period of time
c. Marine creature, common, widespread
d. rare, lived from 550 mya to today, in rocks
3. What is Relative Age?
a. a period of time when a certain animal lived
b. the age of something compared to humans
c. the exact age of something
d. age of something in relation to other events or objects
4. Define Absolute Age.
a. the exact age of something
b. radiometric dating
c. age of something in relation to other events or objects
d. a period of time
5. What is a Half-Life?
a. half of a period
b. the set decay rate of a radioactive element
c. length of time for half of the atoms in a radioactive element to change
d. half of an eon
6. If 25% of the parent isotope remains, how old is the item if measured with Carbon14?
a. 4 half lives, 1432.5 ya
b. 2 half-lives, 2865 ya
c. 4 half-lives, 22,920 ya
d. 2 half-lives, 11,460 ya
7. What are some components of abiogenic sand
a.quartz, forams
b. coral, sea urchin,
c.quartz and feldspar
d. algae, foram
8. What is carbon 14 used for?
a. dating animate objects
b. dating inanimate objects
c. breathing
d.nothing, it has no use
9. What type of rock is created from ancient oceans?
a. igneous rock
b. sandstone
c. limestone
d. shale
10. What type of rock is created from ancient swamps?
a. Dike
b. Sandstone
c. Limestone
d. Shale
11. What natural resource comes from ancient swamps?
a. coal
b. fossils
c. shells
d. ancient dirt
12. If a mineral contains 1.56% of its orginal parent isotopes, how many half-lives have passed?
a. 6
b. 7
c. 8
d. 9
13. Why is tiktaalik unique?
a. first dinosaur
b. fish that had arms, missing link
c. first fish
d. first tall tree to exist
14. Which Period was it where 90% of life was wiped out?
a. Triassic
b. Carboniferous
c. Cretaceous
d. Permian
15. What percent remains after 9 half-lives?
a. 0.78%
b. 0.1%
c. 0.2%
d. 9%
Short Answer
For the following questions, answer if carbon dating should be used.
___1. Determining the age of a wooden club believed to be 5,000-10,000 years ago
___2. Determining the age of a wooden spear believed to be 20,000-40,000 years ago
___3. Determining the age of the oldest living elm tree, believed to be 10,000-15,000 years old
___4. Determining the age of copper statue, claimed to be 10,000 years old
___5. Determining the age of a wooden dagger claimed to be 200,000 years old
6. If a newly cut piece of pine wood gives a geiger tube reading of 139 counts per minute of
radiation, and an artifact from the same type of wood gives a reading of 34.75 cpm, how old is
the artifact?
Date
Period
Foram Ranges
Stratigrapic CrossEra
7. A radiologistMYA
determines an igneous rock to have 4parts Uranium 235 to Section
8 parts Lead 207.
How old is this rock?
0
A)
Quaternary
a,t,s,q,g
I)
8. What are some differences of apes from humans?
Tertiary
a,t,sch,s
J)
D)
9. What was the significance
of Lucy and her kind?
B)
Cretaceous
a,t,sch,h,q
K)
E)
C)
Jurassic
a,t,sch
L)
Triassic
a,t,sch
M)
G)
a,t,sch
N)
H)
a,t,Sch
O)
10.
A=___B=___C=___D=___E=___F=___G=___H=___I=___J=___K=___L=___M=___
N=___O=___P=___Q=___R=___S=___
Devonian
a
P)
F)
Silurian
a
Q)
Ordovician
a
R)
Cambrian
a
S)
#
Stratum
Info/Clue
1
limestone
fossils of Ammodiscus, Textularia,
Quinqueloculina,Hedbegella
2
shale intruding
into extensive
limestone
fossils of Ammodiscus, algae, coral; the
shale is on a layer of igneous rock dated
430 mya; lava above the sediments dated
420mya
3
shale
fossils of Ammodiscus, Textularia,
Saracenaria; second youngest stratum of
the Cenozoic Era
4
shale
fossils of Ammodiscus, extensive trilobites;
oldest stratum of the Paleozoic Era
5
sandstone
fossils of Ammodiscus, bony fishes, shark
teeth; oldest stratum that contains fossils
bony fishes and shark
6
shale sandstone
fossils of Ammodiscus, textularia,
ammonites; stratum above this contains
fossils of Hedbergella
7
conglomerate
fossils of Ammodiscus, Textularia,
ammonites; stratum above, same fossil
types;stratum below, same foram plus
Schwargerina, naoammonites
8
shale sandstone
fossils of Ammodiscus, Textularia,
Saracenaria;stratum below contains fossils
of Hedbergella
9
shaley
conglomerate
fossils of Ammodiscus, Textularia,
Schwagerina; no strata above this contains
trilobites nor horn corals
10 limestone
11.
fossils of Ammodiscus, trilobites, horn
corals; igneous rock above this limestone
stratum is dated 430mya
11 sandstone,
unusually large
amounts of coal
fossils Ammodiscus, trilobites, shark teeth;
the second oldest stratum which contains
shark fossils
A)Identify and label all the unconformities in this image.
B) Is Rock Layer P younger or older than M? What Principle did you use to find your answer?
C) The Igneous Intrusion T is older or younger than J?
D) List the sequence from oldest to youngest.
12. How can we tell that Lucy was bipedal.
13. How can we tell the age when a hominid died.
14. How and why did bipedalism occur?
15. How does variation, selection, and time to interact with evolution?
16. Which region has the most genetic diversity, and why?