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Paleozoic Life, Mesozoic Events, Mesozoic Life(invertebrates Only)

42 Questions  I  By Blairnoelledavidson
Paleozoic Life, Mesozoic Events, Mesozoic Life(Invertebrates Only)
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Question Excerpt

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1.  The largest predator of the Burgess Shale was ________.
A.
B.
C.
D.
E.
2.  The unique calcareous and phosphatic fossil group spanning the Neoproterozoic-Cambrian boundary is called _______.
A.
B.
C.
D.
E.
3.  South America split from Africa during _______.
A.
B.
C.
D.
E.
4.  What groups of animals were conspicuous in Triassic and Jurassic seas, and what groups that had been prominent in late Paleozoic time were absent?
A.
B.
C.
D.
5.  Why did stromatolites decline during Cambrian and Ordovician time?
A.
B.
C.
D.
6.  What evidence is there for the existence of a foreland basin during Jurassic time in western North America?
A.
B.
C.
D.
7.  Found in the Burgess Shale fauna, this is one of the oldest chordates. 
A.
B.
C.
D.
E.
8.  What might have caused the "Cambrian Explosion" of diversity?
A.
B.
C.
D.
E.
9.  Mexico separated from South America during _______. 
A.
B.
C.
D.
E.
10.  What is the Burgess Shale fauna's significance?
A.
B.
C.
D.
E.
11.  This type of coral replaced the principle Silurian reef-forming coral as the main reef-forming coral during Devonian and Carboniferous.
A.
B.
C.
D.
E.
12.  In the western U.S., Upper Jurassic swampy plain deposits rich in donosaur fossils are collectively called ________.
A.
B.
C.
D.
E.
13.  What is the sedimentary evidence for rifting of Pangea early in the Mesozoic Era?
A.
B.
C.
D.
14.  Most important macrofossil group for correlation of Mesozoic strata
A.
B.
C.
D.
E.
15.  Arizona's Painted Desert, exposed in the Petrified Forest National Park, is developed mainly in this formation.
A.
B.
C.
D.
E.
16.  Why did large bodies of nonmarine sediment accumulate in eastern North America during early Mesozoic time?
A.
B.
C.
D.
17.  Warmest geological time interval listed below.
A.
B.
C.
D.
18.  During Late Cretaceous, there was a continental seaway that connected the Arctic Ocean with the _______.
A.
B.
C.
D.
E.
19.  Characteristic tectonic features of eastern rifted margin of North America were ______.
A.
B.
C.
D.
E.
20.  This rock unit fills many of the Triassic rifts on eastern coast of North Amercia.
A.
B.
C.
D.
E.
21.  During Cretaceous, the general direction of motion of the subducting Pacific Plate under western North America was ______.
A.
B.
C.
D.
E.
22.  What was the tectonic and geographic configuration of western North America during Late Cretaceous time?
A.
B.
C.
D.
23.  This fossil shell has symmetrical valves.
A.
B.
C.
D.
E.
24.  The term for crumpled, altered rock sequences that are trapped between converging plates is ________. 
A.
B.
C.
D.
E.
25.  One of the most abundant three-lobed, swimming or crawling arthropods of the Cambrian were ________.
A.
B.
C.
D.
E.
26.  Why did the innovation of the seed liberate land plants from their dependence on moist conditions and allow them to invade drier habitats in the Devonian?
A.
B.
C.
D.
27.  Continents of Pangea were still clustered closely together or joined during _______.
A.
B.
C.
D.
28.  This usually helps bring on global warming:
A.
B.
C.
D.
29.  When did crinoids reach their greatest diversity?
A.
B.
C.
D.
E.
30.  Millions of years required for Pangea to rift apart into all Mesozoic continents.
A.
B.
C.
D.
E.
31.  How did the reef ecosystem change during the Cretaceous Period?
A.
B.
C.
D.
32.  How did Ordovician life differ from Cambrian life?
A.
B.
C.
D.
33.  Cretaceous spans this entire interval (in millions of years). 
A.
B.
C.
D.
E.
34.  Bioturbation is caused by _________.
A.
B.
C.
D.
E.
35.  Increased CO2 in the atmosphere results in _______.
A.
B.
C.
D.
36.  Carbonate microfossil very common in Cretaceous chalks
A.
B.
C.
D.
E.
37.  The age of the Burgess shale fauna is mainly __________.
A.
B.
C.
D.
E.
38.  Characterizes end of Cretaceous.
A.
B.
C.
D.
39.  Reef building organisms during the Mesozoic are called
A.
B.
C.
D.
E.
40.  During Permian-Trassic, a volcanic arc collided with the west coast thus causing this orogeny.
A.
B.
C.
D.
E.
41.  Geological age of Franciscan Complex melange of California is _________.
A.
B.
C.
D.
E.
42.  This type of organism comprised the principle reef-builder during the Cambrian.
A.
B.
C.
D.
E.
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