Module 2 Quiz: Master the Age of Dinosaurs Concepts

2/12/24, 7:32 PM Module 2 Quiz: GLY1102 - Age of Dinosaurs https://uﬂ.instructure.com/courses/499284/quizzes/1315350 1/10 Module 2 Quiz Due Jan 24 at 11:59pm Points 100 Questions 20 Available until Jan 31 at 11:59pm Time Limit None Allowed Attempts 2 Instructions This quiz was locked Jan 31 at 11:59pm. Attempt History Attempt Time Score LATEST Attempt 1 6 minutes 100 out of 100  Answers will be shown after your last attempt Score for this attempt: 100 out of 100 Submitted Jan 24 at 7:53pm This attempt took 6 minutes. This quiz should be completed after you have completed the assigned readings, watched the lectures and completed the Assignment. There is no time limit on this quiz. You have two chances so if you don't like your score, try again. Please be careful to only click "start the quiz" when you are ready to begin. 5 / 5 pts Question 1 The minerals that replace organic content in buried bones come from: Magma or lava filling in the voids left behind when a bone decomposes. minerals dissolved in groundwater precipitating (crystallizing) in/on the bones.

2/12/24, 7:32 PM Module 2 Quiz: GLY1102 - Age of Dinosaurs https://uﬂ.instructure.com/courses/499284/quizzes/1315350 2/10 the bones being exposed to the air on the Earth's surface for long periods of time. microbes in the soil in which the bone is buried. 5 / 5 pts Question 2 Fossilization typically involves which of the following processes? burial and some form of mineralization burial and some form of precipitation sedimentation and some form of oxidation cementation and compaction 5 / 5 pts Question 3 True or false: most fossils do not preserve the original organic material of a life-form. True True! Biological material is replaced by minerals after the organism in buried in most cases. False

2/12/24, 7:32 PM Module 2 Quiz: GLY1102 - Age of Dinosaurs https://uﬂ.instructure.com/courses/499284/quizzes/1315350 3/10 5 / 5 pts Question 4 The reason that the very largest organisms like titanosaurs are found as highly incomplete skeletons is because: rapid burial with sediment is difficult for very large objects. extreme weather events. the bones were very fragile. titanosaurs lived in tropical environments. 5 / 5 pts Question 5 The fossil record is highly biased towards preservation of organisms with hard parts like bones and shells. True True! Most of the insects, plants and invertebrates that lived in the past have no representation in the fossil record. False 5 / 5 pts Question 6 In the Taphonomy lecture, the focus is on a place in Canada called Dinosaurs Provincial Park. It is a great place to find fossils, but why isn't it a good place for new fossils to form?

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2/12/24, 7:32 PM Module 2 Quiz: GLY1102 - Age of Dinosaurs https://uﬂ.instructure.com/courses/499284/quizzes/1315350 4/10 the modern environment has too much human intervention - people clean up dead animals before they can be preserved in sediment. the modern evironment is too cold. the modern environment is dry and barren, sot here is little sediment that could bury something that died. the modern environment is too wet, and would cause anything that died to decompose before it could be preserved. 5 / 5 pts Question 7 True or false: A great deal of information about an organism is lost between the time an organism dies and the time it is discovered by as a fossil millions of years later. True False 5 / 5 pts Question 8 The process of lithification is: the slow replacement of organic material with minerals to form a fossil. the erosion and weathering of a rock exposed on the Earth's surface.

2/12/24, 7:32 PM Module 2 Quiz: GLY1102 - Age of Dinosaurs https://uﬂ.instructure.com/courses/499284/quizzes/1315350 5/10 the preservation of organic material in an oxygen-deprived environment. the compaction and cementation of sediment to make a rock. 5 / 5 pts Question 9 The study of the age relationships between rock units is called: taphonomy stratigraphy sedimentology deposition 5 / 5 pts Question 10 Dinosaur fossils are commonly found in sedimentary rocks with sediment that indicates the environment had___________ at the time the dinosaur was buried. a huge swamp. a very dry climate a river flowing through it. a dense forest.

2/12/24, 7:32 PM Module 2 Quiz: GLY1102 - Age of Dinosaurs https://uﬂ.instructure.com/courses/499284/quizzes/1315350 6/10 5 / 5 pts Question 11 A "Depositional environment" is best described as a place where many bones are found all in one place. the ancient environment that existed at the time loose sediment was deposited. the modern environment in which a fossilized bone was discovered. 5 / 5 pts Question 12 The rounding of sediment grains can help determine: the age of the rock in which it is found. a rough idea of the distance that grain has traveled from its original source rock. weather the grains were deposited in freshwater or saltwater. the depth of the river in which it once travled. 5 / 5 pts Question 13 The presence of grains of water-soluble minerals in a sedimentary rock indicates the environment in which that rock formed was most likely:

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2/12/24, 7:32 PM Module 2 Quiz: GLY1102 - Age of Dinosaurs https://uﬂ.instructure.com/courses/499284/quizzes/1315350 7/10 very wet. was covered in glaciers and ice. earthquake prone. very dry. 5 / 5 pts Question 14 Biostratigraphy is the process of using "index fossils" to determine the age of a rock unit. An ideal index fossil comes from organisms that had: A narrow or isolated geographic range, and a short run from appearance to extinction in the fossil record. A broad geographic distribution and a long run from appearance to extinction in the fossil record. A long run from appearance to extinction in the fossil record, but a narrow geographic distribution. a broad geographic distribution, but a short time from appearance to extinction in the fossil record. 5 / 5 pts Question 15

2/12/24, 7:32 PM Module 2 Quiz: GLY1102 - Age of Dinosaurs https://uﬂ.instructure.com/courses/499284/quizzes/1315350 8/10 True or false: Biostratigraphy can be used to correlate the ages of rock on different continents. True False 5 / 5 pts Question 16 True or false: A sedimentary rock made of layers of very fine (tiny) particles indicates the rock most likely formed in a pond, swamp or other very calm body of water. True True! The calmer the water, the finer the sediment that settles out. False 5 / 5 pts Question 17 If a dinosaur fossil were found in a sandstone with coarse and poorly sorted grains that included the mineral feldspar, what type of environment likely existed at that location at the time that dinosaur was alive? a beach a forest a desert

2/12/24, 7:32 PM Module 2 Quiz: GLY1102 - Age of Dinosaurs https://uﬂ.instructure.com/courses/499284/quizzes/1315350 9/10 a bog 5 / 5 pts Question 18 True or False: The principles of stratigraphy can be used to determine the absolute age of a rock unit or fossil. True False 5 / 5 pts Question 19 In the diagram below, the lines marked S, R and P represent unconformities: missing rock that indicates a period of erosion fault lines: where the earth has moved during an earthquake old river channels

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2/12/24, 7:32 PM Module 2 Quiz: GLY1102 - Age of Dinosaurs https://uﬂ.instructure.com/courses/499284/quizzes/1315350 10/10 igneous sills: where magma has intruded into the rock. 5 / 5 pts Question 20 The colors on a geologic map represent: the rock type the age of the rocks the elevation of the rock outcrop the thickness of the rocks Quiz Score: 100 out of 100

Module 2 Quiz_ GLY1102 - Age of Dinosaurs

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