fossil record Flashcards by Jenna Bostrom

Q

uniformitarianism

A

theory that changes the earths crust

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Q

catastrophism

A

changes the earths crust from violent things

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Q

paleontology

A

study of plants and dinosours

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Q

relative dating

A

determining the past

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Q

absolute dating

A

determining age of specific chronology

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Q

superposition

A

the nature and behavior of matter and forces

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Q

isotope

A

two forms of the same element

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Q

radioactive decay

A

nuclear decay

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Q

half-life

A

time taken for the radioactivity of a specified isotope

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Q

fossil

A

remains that have been saved over time

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Q

trace fossil

A

fossil of a footprint or trail

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Q

mold

A

print of something

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Q

cast

A

object made by shaping

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Q

unconformity

A

surface of contact between two groups

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Q

mass extinction

A

one certain species that gets wiped out

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Q

Jurassic period

A

multyple things exctinkt

Q

Cretaceous period

A

dinosours

Q

Devonian period

A

rocks studied

Q

Quaternary period

A

stratigophry

Q

Permian period

A

period with sea animals