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

42 Questions | Total Attempts: 247

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

Quiz for Final.


Questions and Answers
  • 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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