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Fossils 2
Test Description: Second half of fossils review
Instructions: Answer all questions to get your test result.
1) Which era ended with the largest mass extinction in Earth's history?
A
Cenozoic
B
Paleozoic
C
Jurassic
D
Mesozoic
2) During which era did birds and small mammals begin to evolve?
A
Mesozoic
B
Jurassic
C
Cenozoic
D
Paleozoic
3) Which era are we in now?
A
Paleozoic
B
Cenozoic
C
Jurassic
D
Mesozoic
4) What does the rock and fossil record represent?
A
index fossils
B
the Age of Reptiles
C
geologic time
D
the Age of Mammals
5) What is the largest division of geologic time?
A
era
B
epoch
C
period
D
eon
6) What is the standard method that divides Earth's history into parts?
A
period
B
geologic time scale
C
eon
D
extinction
7) What is the death of a species?
A
eon
B
extinction
C
geologic time scale
D
period
8) What is the process in which minerals replace tissues?
A
mineral replacement
B
mold
C
fossil
D
trace fossil
9) What is a preserved remains or other evidence of an organism?
A
trace fossil
B
mineral replacement
C
mold
D
fossil
10) What is a mark or cavity?
A
mineral replacement
B
fossil
C
trace fossil
D
mold
11) What is a fossil from a specific time period?
A
mold
B
index fossil
C
cast
D
trace fossil
12) What is a fossil formed by an animal's movement?
A
index fossil
B
cast
C
mold
D
trace fossil
13) What is a mold filled with sediment?
A
cast
B
index fossil
C
trace fossil
D
mold
14) What are unstable isotopes?
A
radioactive
B
half-life
C
absolute dating
D
radiometric dating
15) What is the process of figuring out how old an object is?
A
absolute dating
B
radiometric dating
C
radioactive
D
half-life
16) What is the most common method of absolute dating?
A
radioactive
B
radiometric dating
C
half-life
D
absolute dating
17) What is the time it takes for one-half of a radioactive sample to decay?
A
absolute dating
B
radioactive
C
radiometric dating
D
half-life
18) What is a missing layer of rock in a sequencing parallel rock layer?
A
superposition
B
relative dating
C
disconformity
D
uncomformity
19) What is the idea that younger rocks lie on top of older rocks?
A
relative dating
B
superposition
C
uncomformity
D
disconformity
20) What is a break in the geologic record?
A
relative dating
B
disconformity
C
superposition
D
uncomformity
*select an answer for all questions
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