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geology quizes > Geology > Flashcards

Geology Flashcards

1
Q

What organism was marine, free living , bottom dwelling, and three lobed?

A

Trilobite

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2
Q

When looking at fossils in Amber , is it best to look near the site of a prehistoric ?

A

Forest

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3
Q

Stones used by di assures as an aid in food digestion are known as ?

A

Gastroliths

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4
Q

An abyssal organism that was bent honor would probably occupy what?

A

Decomposer

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5
Q

A trace fossil?

A

Coprolite

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6
Q

What sedimentary rock would most likely contain traces of the soft parts of an animal?

A

Marine shale

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7
Q

What depositional environment would best preserve a soft-bodied animal such as a marine jelly fish

A

Lagoon

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8
Q

When rapidly deposited the sedimentary type most likely to preserve a soft-bodied jelly fish is

A

Mud

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9
Q

A sample of wood composed entirely of silica and in which detailed structures can be seen was probably preserved by ?

A

Permineralization

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10
Q 
The fossil record can be used to show all the following EXCEPT?
A) adaptive radiation of a species 
B) extinction of a species 
C) habitat of a species 
D) absolute age of a species
A

D

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11
Q

A non-inherited change in the genes of an organism is known a as ?

A

Mutation

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12
Q

Muted butterflies thrived , while brightly colored ones became extinct. This is a example of

A

Natural selection

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13
Q

What refers to a group of fossils from a specific place and time ?

A

Fossil assemblage

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14
Q

What term refers to a bedrock which shows steeply dipping Rick layers overlain by horizontal beds ?

A

An angular unconformity

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15
Q

What is true about unconformities?

A

They represent time breaks in the geologic record

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16
Q

What did kelvin not know?

A

Radioactive heating

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17
Q

Fossils are rare in Precambrian rocks because ?

A

Precambrian organisms had soft shells

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18
Q

A rock layer contains well preserved fossils fossils of several species of trilobite this rock is most likely ?

A

Marine shale

19
Q

Fossils give clues of the following EXCEPT?
A)climate changes during Mesozoic era
B) relative age of rocks from the Cenozoic era
C) dating the beginning of the Precambrian era
D) changes form during the Paleozoic era

A

C) dating the beginning of the Precambrian era

20
Q

What inviting end is indicated by an assemblage of fossil freshwater calms ?

A

Lake

21
Q

Coffins usually found in

A

Sedimentary rocks

22
Q

Most Precambrian fossils come from organisms that lived …

A

In shallow water areas

23
Q

All Precambrian life forms were

A

Marine

24
Q

What term refers to the term an organism plays in it environment

A

Niche

25
Q

What environment is indicated by a coral reef assemblage of fossils

A

Littoral

26
Q

What fossil phyla is largely terrestrial

A

Reptilia

27
Q

What period were the dinosaurs associated

A

Mesozoic

28
Q

The right chronological from oldest to youngest

A

Appalachian progeny coast progeny modern man

29
Q

What period was associated with MAJOR coral formation

A

Pennsylvanian

30
Q

What fossil would most likely to be form most recently ?

A

Nip bone of a mammoth

31
Q

What is associated with dinosaurs

A

Mesozoic era

32
Q

The geological period when early humans ex Australopithecus fastens is, first appeared in the fossil record was the

A

Quaternary

33
Q

What appeared first on earth

A

Invertebrates

34
Q

What animal group in incorrectly matched to its period

A

Reptiles

35
Q

Subdivision of the Precambrian

A

Have bee. Difficult to establish because few correlative fossils are found in Precambrian rocks

36
Q

What period did dinosaurs become extinct

A

Mesozoic

37
Q

What period followed the Precambrian

A

Cambrian

38
Q

What is the greatest duration of if absolute time

A

Precambrian

39
Q

What period were economic coal deposits formed

A

Carboniferous

40
Q

What event is most recent

A

Formation of the Rocky mountains

41
Q

What is the right order for lower part of the geological cross section

A

Deposition of pre -metamorphic rocks, folding and metamorphism , granite intrusion, faulting

42
Q

Correct order for upper part of the geological cross section (oldest to youngest)

A

Erosion of metamorphic rock, sedimentary rock depositions , tilting , erosion of sedimentary rock , till deposition

43
Q

The fault occurred

A

Between the Cambrian and the Ordovician

44
Q

2sedimentary rocks in contact , the lower layer is 100 million years older than the layer above. what is the most probable explanation?

A

There has been a period erosion

geology quizes (4 decks)

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