Paleozoic Life, Mesozoic Events, Mesozoic Life(Invertebrates Only)
Quiz for Final.
- 1.The age of the Burgess shale fauna is mainly __________.
- A.
Neoproterozoic
- B.
Early Cambrian
- C.
Middle Cambrian
- D.
Late Cambrian
- E.
Middle Ordovician
- 2.This type of coral replaced the principle Silurian reef-forming coral as the main reef-forming coral during Devonian and Carboniferous.
- A.
Rugose and tabulate
- B.
Tetracorals
- C.
Scleractinids
- D.
Archaeocyathids and sponges
- E.
Pentacorals
- 3.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.
The seed, which results from mutation, is released as a durable structure that can sprout into a plant when conditions become favorable.
- B.
The seed, which results from fertilization, is released as a delicate structure that can sprout into a plant when conditions become favorable.
- C.
The seed, which results from fertilization, is released as a durable structure that can sprout into a plant when conditions become favorable.
- D.
The spore, which results from fertilization, is released as a durable structure that can sprout into a plant when conditions become favorable.
- 4.This fossil shell has symmetrical valves.
- A.
Mollusk
- B.
Brachiopod
- C.
Foraminifera
- D.
Bryozoan
- E.
Trilobite
- 5.How did the reef ecosystem change during the Cretaceous Period?
- A.
Burrowing bivalves temporarily displaced corals as the primary builders of organic reefs in the mid-Cretaceous.
- B.
Rudist corals temporarily displaced corals as the primary builders of organic reefs in the mid-Cretaceous.
- C.
Rudist bivalves temporarily displaced corals as the primary builders of organic reefs in the mid-Cretaceous.
- D.
Rudist sponges temporarily displaced corals as the primary builders of organic reefs in the mid-Cretaceous.
- 6.The unique calcareous and phosphatic fossil group spanning the Neoproterozoic-Cambrian boundary is called _______.
- A.
Tetrapods
- B.
Amniotes
- C.
Therapsids
- D.
Small shelly faunas
- E.
Burgess Shake fauna
- 7.This type of organism comprised the principle reef-builder during the Cambrian.
- A.
Rugose
- B.
Tetracorals
- C.
Scleractinids
- D.
Archaeocyathids and sponges
- E.
Pentacorals
- 8.Bioturbation is caused by _________.
- A.
Epifaunal animals
- B.
Infaunal animals
- C.
Tetrapods
- D.
Fusulinids
- E.
Protistans
- 9.The largest predator of the Burgess Shale was ________.
- A.
Cloudina
- B.
Aldanella
- C.
Anomalocaris
- D.
Opabinia
- E.
Hallucigenia
- 10.One of the most abundant three-lobed, swimming or crawling arthropods of the Cambrian were ________.
- A.
Trilobites
- B.
Eurypterids
- C.
Nautiloids
- D.
Goniatites
- E.
Ostracodes
- 11.What might have caused the "Cambrian Explosion" of diversity?
- A.
Resources increased due to proliferation of plant life
- B.
Transgression provide new, available environments
- C.
Regression provide new, available environments
- D.
Predation increased therefore prey evolved and diversified
- E.
An increase of volcanism along divergent plate boundaries
- 12.Found in the Burgess Shale fauna, this is one of the oldest chordates.
- A.
Pikaia
- B.
Opabinia
- C.
Cathymyrus
- D.
Marrella
- E.
Cloudina
- 13.What is the Burgess Shale fauna's significance?
- A.
Reveals extraordinary evolutionary complexity and diversity
- B.
Reveals an unimaginable, anachronistic fauna
- C.
Documents the sequence of a turbidite flow
- D.
Records a remarkable oxygen isotope record indicating cool ocean temperatures
- E.
Records the first transgressive/regression cratonic sequence in the Phanerozoic
- 14.When did crinoids reach their greatest diversity?
- A.
Cambrian
- B.
Ordovician
- C.
Silurian
- D.
Devonian
- E.
Carboniferous
- 15.Cretaceous spans this entire interval (in millions of years).
- A.
251 to 65
- B.
200 to 145
- C.
145 to 65
- D.
251 to 200
- E.
200 to 145
- 16.Millions of years required for Pangea to rift apart into all Mesozoic continents.
- A.
251
- B.
150
- C.
145
- D.
65
- E.
200
- 17.Mexico separated from South America during _______.
- A.
Cenozoic
- B.
Triassic
- C.
Cretaceous
- D.
Jurassic
- E.
Archean
- 18.South America split from Africa during _______.
- A.
Jurassic-Cretaceous
- B.
Triassic-Jurassic
- C.
Permian-Triassic
- D.
Paleozoic
- E.
Archean
- 19.What was the tectonic and geographic configuration of western North America during Late Cretaceous time?
- A.
Orogenic activity shifted eastward from its Jurassic position, so that to the east of the orogenic belt an interior seaway stretched from the Gulf of Mexico to the Arctic Ocean.
- B.
Orogenic activity shifted westward from its Jurassic position, so that to the west of the orogenic belt an interior seaway stretched from the Gulf of Mexico to the Arctic Ocean.
- C.
Orogenic activity shifted eastward from its Triassic position, so that to the east of the orogenic belt an interior seaway stretched from the Gulf of Mexico to the Pacific Ocean.
- D.
Orogenic activity shifted eastward from its Jurassic position, so that to the east of the orogenic belt an interior seaway stretched from the Pacific to the Mediterranean Ocean.
- 20.This rock unit fills many of the Triassic rifts on eastern coast of North Amercia.
- A.
Newark Group
- B.
Ripley Formation
- C.
Franciscan Formation
- D.
Shinarump Conglomerate
- E.
Carmel Formation
- 21.During Permian-Trassic, a volcanic arc collided with the west coast thus causing this orogeny.
- A.
Servier
- B.
Nevadan
- C.
Sonoma
- D.
Tethys
- E.
Navajo
- 22.What is the sedimentary evidence for rifting of Pangea early in the Mesozoic Era?
- A.
Marine sediments mark zones where Pangea began to rift apart early in the Mesozoic Era.
- B.
Basalts mark zones where Pangea began to rift apart early in the Mesozoic Era.
- C.
Evaporites mark zones where Pangea began to rift apart early in the Mesozoic Era.
- D.
Igneous intrusions mark zones where Pangea began to rift apart early in the Mesozoic Era.
- 23.The term for crumpled, altered rock sequences that are trapped between converging plates is ________.
- A.
Thrust fault
- B.
Melange
- C.
Decollement
- D.
Ophiolite
- E.
Batholith
- 24.In the western U.S., Upper Jurassic swampy plain deposits rich in donosaur fossils are collectively called ________.
- A.
Chinle Formation
- B.
Sundance Formation
- C.
Navajo Sandstone
- D.
Morrison Formation
- E.
Shinarump Conglomerate
- 25.During Late Cretaceous, there was a continental seaway that connected the Arctic Ocean with the _______.
- A.
Tethys
- B.
Gulf of Mexico
- C.
South Atlantic Ocean
- D.
Pacific Ocean
- E.
Sundance Sea
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