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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