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rock cycle > Fossils > Flashcards

Fossils Flashcards

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1
Q

Definition of uniformitarianism

A

%The principle that states that geologic process that occurred in the past have been slowly shaping the earth to our current time.

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2
Q

Definition of catastrophism

A

The principle that state that the geologic change happens suddenly.

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3
Q

Definition of paleontology

A

The scientific study of fossils.

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4
Q

definition of a fossil

A

the remains or physical evidence of an organism preserved by the geologic process.

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5
Q

five different ways they are preserved

A

in Amber, Asphalt, Petrification, frozen, in rock

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6
Q

definition of preserved in rock

A

organism is buried in sediment only hard parts remain

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7
Q

definition of preserved in amber

A

an insect or a plant gets stuck in tree sap and is preserved

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8
Q

definition of preserved in asphalt

A

organism falls in hard parts and some tissues remain

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9
Q

definition of frozen fossil

A

organisms are frozen

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10
Q

definition of petrification

A

it is when the minerals replace the tissues

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11
Q

what is amber

A

hardened tree sap

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12
Q

definition of a trace fossil

A

any naturally preserved evidence of any animal activity

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13
Q

what are the 3 types of trace evidence

A

tracks , coprolite, and borrows

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14
Q

definition of tracks

A

foot prints that are filled in with sediment and are preserved in rock.

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15
Q

definition of borrows

A

animal shelters that are underground that are filled with sediment that are preserved in rock.

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16
Q

definition of coprolite

A

preserved dung

17
Q

definition of an index fossil

A

a fossil that is preserved in undisturbed rock layers.

18
Q

what eon, era, period, and epoch do we live in

A

phanerozoic Eon, Cenozoic Era, quaternary period, Holocene epoch

19
Q

eon, era, 3 periods the dinosaurs lived in.

A

phanerozoic eon, Mesozoic era, cretaceous the Jurassic and Triassic period

rock cycle (2 decks)

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