GLGY 301 Final Exam Questions With Verified Answers
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GLGY 301
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GLGY 301
GLGY 301 Final Exam Questions With
Verified Answers
What are the two types of extinction - answernormal background and mass extinction
who was the first to describe the phenomenon of extinction and when? - answerGeorges
Cuvier in 1796
What is normal background extinction? - answerextinction ra...
GLGY 301 Final Exam Questions With
Verified Answers
What are the two types of extinction - answer✔normal background and mass extinction
who was the first to describe the phenomenon of extinction and when? - answer✔Georges
Cuvier in 1796
What is normal background extinction? - answer✔extinction rates less than or equal to the rate of
speciation over time
what is mass extinction - answer✔rate of extinction greatly exceeds the rate of speciation.
usually defined by the loss of more than 75% of known species in a geologically short interval
what are the causes of mass extinctions - answer✔extensive flood basalt volcanism, sea level
fall, ocean anoxia, asteroid impact
Remains or traces of past life preserved in the rock record - answer✔fossil
processes that are limiting or encouraging fossil preservation between death and discovery -
answer✔taphonomy
fossils such as conodonts, radiolarians, ammonoids, and fusulinids can be found here -
answer✔insular and intermontane
trilobites from when are found where? - answer✔cambrian, cranbrook
trilobites are AKA ____ of the Cambrian - answer✔cockroaches
where was the Ichthyosaurus found? - answer✔Wapiti Lake
Where was the fish Saurichthys found and during what period was it alive? - answer✔Wapiti
Lake, Triassic period
Where is Wapiti Lake close to? - answer✔Tumbler Ridge
when we the Plesiosaurs and Mosasaurs alive and swimming in the ocean? - answer✔Mesozoic
BC's biggest ammonite was how big in diameter? - answer✔2 meters
Dinosaurs lived during the ___ period - answer✔Mesozoic
Ideal characteristics for footprint preservation - answer✔soft mud, buried by sediments right
away
major challenge in paleontology is to get _____ - answer✔funding
Angiosperms (aka flowering plants) are found where? - answer✔Cretaceous forests of
Vancouver Island
How long ago did the dinosaurs die? - answer✔65mm
15 million years ago, McAbee fossil bed was a ___ ____ - answer✔tropical lake
McAbee fossil bed was open to the public in _____, but preserved as a heritage site in _____ -
answer✔2011, 2012
Since what era have bees been around and how many years ago? - answer✔paleozoic, 100s of
millions
There are approximately ____ hot springs in Canada - answer✔150
Geological Survey has been around for ____ years - answer✔175
_____ is by far the most reliable for renewable power - answer✔Geothermal
______ systems are seen as an indicator of hotspots in the ground - answer✔Thermal
Where are ultramafic rocks found in the Cordillera? - answer✔Intermontane Belt
What primary minerals are ultramafic rocks made of - answer✔Olivine and pyroxene
Serpentinization most commonly occurs in which geologic setting? - answer✔Oceanic spreading
centre
Serpentinization drastically reduces rock - answer✔Strength
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