Fossils 2: Question Preview (ID: 17086)


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Which era ended with the largest mass extinction in Earth's history?
a) Paleozoic
b) Mesozoic
c) Cenozoic
d) Jurassic

During which era did birds and small mammals begin to evolve?
a) Paleozoic
b) Mesozoic
c) Cenozoic
d) Jurassic

Which era are we in now?
a) Paleozoic
b) Mesozoic
c) Cenozoic
d) Jurassic

What does the rock and fossil record represent?
a) index fossils
b) geologic time
c) the Age of Reptiles
d) the Age of Mammals

What is the largest division of geologic time?
a) period
b) eon
c) era
d) epoch

What is the standard method that divides Earth's history into parts?
a) period
b) eon
c) geologic time scale
d) extinction

What is the death of a species?
a) period
b) eon
c) geologic time scale
d) extinction

What is the process in which minerals replace tissues?
a) fossil
b) mineral replacement
c) trace fossil
d) mold

What is a preserved remains or other evidence of an organism?
a) fossil
b) mineral replacement
c) trace fossil
d) mold

What is a mark or cavity?
a) fossil
b) mineral replacement
c) trace fossil
d) mold

What is a fossil from a specific time period?
a) index fossil
b) cast
c) mold
d) trace fossil

What is a fossil formed by an animal's movement?
a) index fossil
b) cast
c) mold
d) trace fossil

What is a mold filled with sediment?
a) index fossil
b) cast
c) mold
d) trace fossil

What are unstable isotopes?
a) absolute dating
b) radiometric dating
c) half-life
d) radioactive

What is the process of figuring out how old an object is?
a) absolute dating
b) radiometric dating
c) half-life
d) radioactive

What is the most common method of absolute dating?
a) absolute dating
b) radiometric dating
c) half-life
d) radioactive

What is the time it takes for one-half of a radioactive sample to decay?
a) absolute dating
b) radiometric dating
c) half-life
d) radioactive

What is a missing layer of rock in a sequencing parallel rock layer?
a) superposition
b) uncomformity
c) relative dating
d) disconformity

What is the idea that younger rocks lie on top of older rocks?
a) superposition
b) uncomformity
c) relative dating
d) disconformity

What is a break in the geologic record?
a) superposition
b) uncomformity
c) relative dating
d) disconformity

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