EOSC 114 PRACTICE FINAL EXAM
QUESTIONS WITH 100% CORRECT
ANSWERS
Which one of the following dates would fall in the Cretaceous period? - Answer-70
million years ago
Which of the following would be at the BASE of a marine food
chain? - Answer-plankton
Fossil fern spores can be used as a proxy for which of the
following events? - Answer-forest fires
Materials entering the Earth's atmosphere usually burn up entirely at about ______
above the Earth's surface. - Answer-60 km
"Nemisis" has been used to explain which of the following? - Answer-Raup Sepkoski
periodicity
Which of the following best describes a comet's composition? - Answer-ice and rocky
material
What percent of marine species were lost during the
Cretaceous-Paleogene extinction? - Answer-almost all, 80%
All of the following are direct or indirect effects of the production of flood basalts. Which
would LEAST likely generate a mass extinction event? - Answer-lava fields and pools
Which of the following sequence of events BEST describes the probable conditions on
Earth following the impact at Chicxulub? - Answer-Initial inferno and vaporization of all
close to impact ⇒ ⇒ Cold house conditions (2 months) ⇒
⇒ Hot house conditions (5 years)
How large was the object that impacted the Earth at the end of the Cretaceous? About
the same size as ______. - Answer-Mount Everest
It is thought that lots of sulfur gases were released into the atmosphere following the
impact at Chicxulub. Where did these gases come from? - Answer-evaporites
All of the following have been used as supporting evidence for an impact event in the
late Cretaceous EXCEPT ______. - Answer-evidence of glaciers in Gondwana
, What is the Principle of Faunal Succession? - Answer-Fossils of organisms, preserved
in rocks, succeed one another thru time in a predictable,
identifiable way.
All of the following likely caused the Permo-Triassic
extinction EXCEPT ______. - Answer-widespread deforestation
Before Gene Shoemaker's work in the 1960s, what did many scientists believe craters
on the moon to be? - Answer-extinct volcanoes
Which of the following is often used as an indicator of an
extraterrestrial impact? - Answer-iridium
In terms of biostratigraphy, what is a fossil's "range"? - Answer-The length of time a
fossil species occupies in the geological record.
During which of the following time would you NOT expect to find dinosaurs? - Answer-
Palaeozoic
When you place the continents in their Late Triassic locations, the Manicouagan crater
in Quebec, Canada lines up with which of the following? - Answer-the Rochechouart
Crater in France
To this day, no crater has been found associated with the
Tunguska event. Scientists believe this is because ______. - Answer-the object
exploded in mid air before it hit the ground
Which of the following will make this statement TRUE?
"Most asteroids ______." - Answer-contain very little ice and water
Which of the following extinction events bracket the Mesozoic? - Answer-Permo-
Triassic and the Cretaceous-Paleogene
Which of the following statements about the Principle of
Superposition is FALSE? - Answer-Sediments are deposited in sequence from
YOUNGEST to OLDEST.
Which of the following best describes the "BIOSPHERE"? - Answer-A way of
considering life and its interaction with the solid Earth, the oceans and the atmosphere
How can changes in seafloor spreading rates contribute to a mass extinction event?
Select the MOST LIKELY answer. - Answer-It could cause changes in sea level and
loss of habitat.
QUESTIONS WITH 100% CORRECT
ANSWERS
Which one of the following dates would fall in the Cretaceous period? - Answer-70
million years ago
Which of the following would be at the BASE of a marine food
chain? - Answer-plankton
Fossil fern spores can be used as a proxy for which of the
following events? - Answer-forest fires
Materials entering the Earth's atmosphere usually burn up entirely at about ______
above the Earth's surface. - Answer-60 km
"Nemisis" has been used to explain which of the following? - Answer-Raup Sepkoski
periodicity
Which of the following best describes a comet's composition? - Answer-ice and rocky
material
What percent of marine species were lost during the
Cretaceous-Paleogene extinction? - Answer-almost all, 80%
All of the following are direct or indirect effects of the production of flood basalts. Which
would LEAST likely generate a mass extinction event? - Answer-lava fields and pools
Which of the following sequence of events BEST describes the probable conditions on
Earth following the impact at Chicxulub? - Answer-Initial inferno and vaporization of all
close to impact ⇒ ⇒ Cold house conditions (2 months) ⇒
⇒ Hot house conditions (5 years)
How large was the object that impacted the Earth at the end of the Cretaceous? About
the same size as ______. - Answer-Mount Everest
It is thought that lots of sulfur gases were released into the atmosphere following the
impact at Chicxulub. Where did these gases come from? - Answer-evaporites
All of the following have been used as supporting evidence for an impact event in the
late Cretaceous EXCEPT ______. - Answer-evidence of glaciers in Gondwana
, What is the Principle of Faunal Succession? - Answer-Fossils of organisms, preserved
in rocks, succeed one another thru time in a predictable,
identifiable way.
All of the following likely caused the Permo-Triassic
extinction EXCEPT ______. - Answer-widespread deforestation
Before Gene Shoemaker's work in the 1960s, what did many scientists believe craters
on the moon to be? - Answer-extinct volcanoes
Which of the following is often used as an indicator of an
extraterrestrial impact? - Answer-iridium
In terms of biostratigraphy, what is a fossil's "range"? - Answer-The length of time a
fossil species occupies in the geological record.
During which of the following time would you NOT expect to find dinosaurs? - Answer-
Palaeozoic
When you place the continents in their Late Triassic locations, the Manicouagan crater
in Quebec, Canada lines up with which of the following? - Answer-the Rochechouart
Crater in France
To this day, no crater has been found associated with the
Tunguska event. Scientists believe this is because ______. - Answer-the object
exploded in mid air before it hit the ground
Which of the following will make this statement TRUE?
"Most asteroids ______." - Answer-contain very little ice and water
Which of the following extinction events bracket the Mesozoic? - Answer-Permo-
Triassic and the Cretaceous-Paleogene
Which of the following statements about the Principle of
Superposition is FALSE? - Answer-Sediments are deposited in sequence from
YOUNGEST to OLDEST.
Which of the following best describes the "BIOSPHERE"? - Answer-A way of
considering life and its interaction with the solid Earth, the oceans and the atmosphere
How can changes in seafloor spreading rates contribute to a mass extinction event?
Select the MOST LIKELY answer. - Answer-It could cause changes in sea level and
loss of habitat.
