122 samples

1) The Acadian Orogeny began in the _.

Ordovician

2) The Taconic orogeny began in the southern Appalachian area.

False

3) The Taconic orogeny occurred during the _.

Ordovician

4) All continental margins of North America were passive during the _.

Cambrian

5) accumulated in deep marine environments surrounding North America during the Cambrian.

Shales

6) The Tippecanoe transgression began in the _.

Ordovician

7) Throughout most of the early Paleozoic, North America the equator.

Straddled the equator

8) Evaporites were deposited in restricted basins during the regression.

Tippecanoe

9) Abundant normal faults developed during the Taconic orogeny.

False

10) Evaporites formed in the Michigan Basin in the _.

Silurian

11) The supercontinent Pangea was completely formed by the _.

Permian

12) Pennsylvanian led to uplifts in the Central U.S.

Compression

13) Evaporites formed in the Paradox Basin during the _.

Pennsylvanian

14) The Orogeny led to the uplift of the Appalachian Mountains.

Alleghenian

15) The Sequence is the third cratonic sequence in the Paleozoic.

Kaskaskia

16) Redbeds extended across most of North America during the _.

Permian

17) Correct order of Paleozoic periods (oldest → youngest):

Cambrian, Ordovician, Silurian, Devonian, Mississippian, Pennsylvanian, Permian

18) Baltica struck North America causing the Orogeny.

Acadian Orogeny

19) Cyclothems result from oscillating sea levels caused by .

Periods of glaciation

20) In the Permian, continental depositional environments dominated in the eastern U.S.

True

21) Members of Phylum sting their food.

Cnidaria

22) Trilobites became extinct at the close of the _.

Permian

23) The first land plants appeared in the _.

Ordovician

24) Most modern fish are .

Ray-finned fish

25) Paleozoic reef-forming animals did NOT include animals from Phylum .

Mollusca

26) Phylum has complex internal organs.

Mollusca

27) Which plant group did NOT reproduce using spores?

Receptaculids

28) Archaeocyathids formed extensive reefs during the Permian.

False

29) Angiosperms developed during the late Paleozoic.

False

30) Unicellular organisms that secrete shells do NOT include .

Bacteria

31) The Mesozoic (Triassic) began million years ago.

245

32) Rifting occurred along the eastern margin of North America during the .

Triassic

33) Thick sequences of evaporites formed in the Gulf Coast region in the .

Jurassic

34) During the Triassic, the Gulf Coast area was .

None of the above

35) Coal forests formed in the western part of the U.S. during the .

Cretaceous

36) Volcanism led to the preservation of petrified wood in Petrified Forest National Park during the .

Triassic

37) The Sonoma Orogeny occurred during the .

Triassic

38) Rifting occurred between North America and Africa during of the breakup of Pangea.

Stage 1

39) Gondwanaland begins to split up during of the breakup of Pangea.

Stage 2

40) The Atlantic seaway was established during the .

Jurassic

41) Dinoflagellates are organic-walled “fire” algae.

True

42) did not have chewing teeth; plant material was ground up in a gizzard.

Saurischians

43) Most scientists believe the Mesozoic extinction was caused by .

An asteroid impact

44) Ornithischians were .

All herbivores

45) Birds evolved from the .

Saurischians

46) Diatoms are siliceous golden-brown algae.

True

47) Coccolithophores are siliceous golden-brown algae.

False

48) Nautiloids became extinct at the end of the Cretaceous.

False

49) Cretaceous reefs were mainly built by coral.

False

50) Belemnites are essentially modern squid.

False

51) The last glacial epoch in the Pleistocene is the .

Wisconsinian

52) The consists of felsic volcanoes that can violently erupt.

Cascade Range

53) The Colorado Plateau contains abundant extinct volcanoes.

False

54) Milankovitch Cycles have been interpreted to be the cause of .

Ice ages

55) A caldera is a .

Collapsed volcano

56) The Quaternary Period consists of the Epochs.

Pleistocene and Holocene

57) The first glacial epoch in the Pleistocene is the .

Nebraskan

58) The Basin and Range Province is characterized by .

Extensional tectonics

59) At the glacial maximum, ice covered of Earth’s continental land mass.

One third

60) Cenozoic sediments in this region may exceed 25,000 feet in thickness.

The Gulf Coast

61) The toothed whale that descended from Basilosaurus is called the .

Killer whale

62) Mammals have warm blood, hair, and a two-piece jaw.

False

63) Tethytherians are hoofed animals that include .

Elephants

64) Extinction of South American marsupials was caused by migration of competitors across the .

Panamanian land bridge

65) Grasses first appear in the .

Miocene

66) The is essentially a “hairy” elephant.

Mammoth

67) The is not a “Whale-Bone” whale.

Sperm whale

68) Radiolarians formed thick limestone beds in the Tethys seaway.

False

69) Characteristics of mammals do NOT include .

2 inner ear bones

70) The first placental mammals were .

Insectivora

71) Modern humans appear in Europe about years ago.

40,000

72) Most fossil evidence suggests that bipedal primates evolved in .

Africa

73) Homo sapiens neanderthalensis had the same or greater cranial capacity as Homo sapiens sapiens.

True

74) is a species of primate that lived between 4 and 3 million years ago; “Lucy” belongs to it.

Australopithecus afarensis

75) Many different species of hominids often coexisted throughout the late Cenozoic.

True

76) They were the first to learn the technology of fire.

Neanderthals

77) First people to come to the New World (North America).

Homo sapiens sapiens

78) Modern humans first appeared years ago.

200,000

79) The cranial capacity of Australopithecus afarensis is .

600 cubic centimeters

80) The oldest New World monkeys were found in Egypt.

False

121) Clean sands such as the St. Peter Sandstone were the first sediments deposited during the Tippecanoe transgression.

True

122) During the Silurian regressional stage of the Tippecanoe Sequence, shallow ______ were deposited on the craton.

Carbonates

123) True or False: The Antler Arc was already approaching North America from the west during the Middle Ordovician.

True

124) The ______ Sequence reached maximum transgression by mid‑Mississippian time.

Kaskaskia

125) True or False: Erosion of the Acadian Highlands reduced clastic supply during the Mississippian.

True

126) Compression in the Pennsylvanian uplifted the Ancestral Rockies, including the ______ and Pedernal uplifts.

Uncompahgre

127) The Zuni transgression began in the ______ Period.

Jurassic

128) Thick Jurassic salt in the Gulf Coast later formed ______ that trap oil and gas.

Salt domes

129) The Nevadan Orogeny occurred in the ______ Period.

Late Jurassic

130) Triassic rift volcanism produced basalt flows covering roughly ______ million km² in the eastern basins.

7

131) Cretaceous chalk formations such as the Austin Chalk consist of microscopic ______ (coccoliths).

Algae

132) Basalt flows on the Columbia Plateau are more than ______ meters thick in places.

2,800

133) The Deccan Traps in India may have contributed to the mass extinction at the ______ boundary.

K‑T

134) True or False: The Late Mississippian Kaskaskia regression produced a widespread unconformity.

True

135) The first clean sands of the Kaskaskia transgression were deposited over an ______ unconformity.

Erosional

136) Late Silurian restricted basins in Laurentia accumulated large ______ deposits.

Evaporite

137) The Transcontinental Arch remained exposed as islands during maximum flooding of the ______ transgression.

Sauk

138) The Sonoma Orogeny built mountains in the west chiefly by ______ faults.

Thrust

139) Triassic volcanism that created Petrified Forest National Park involved silica replacement of wood by volcanic ______.

Ash