Earth Science Unit 7 Test Sol Review Zone-Books Pdf

Earth Science Unit 7 Test SOL Review Zone
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a law of superposition c law of crosscutting relationships. b law of uniformitarianism d law of thermodynamics. 11 Why is radioactive decay used to determine the absolute age of rocks. a Radioactive decay cannot be used to determine the age of a rock. b Radioactive decay happens very quickly, c Radioactive decay does not happen at a constant rate. d Radioactive decay happens at a relatively constant rate. 12 How is radioactive decay used to determine the absolute age of rocks. a Parent isotopes are compared to daughter isotopes. b Isotopes of different compounds are compared, c Radioactive substances are compared to non radioactive substances. d Daughter isotopes are compared to sister isotopes. 13 Which of the following are all ways that organisms can be fossilized. a freezing petrification desiccation amber, b amber petrification mummification freezing. c desiccation petrification mummification amber, d mummification desiccation petrification freezing. 14 Scientists created the first geologic column by determining the relative ages of sedimentary rock in. a one chosen area c North America, b the area where life began d areas all over the world.
15 A geologic period is usually named for, a specific types of fossils. b the person who found the first fossils from the period. c the place where its characteristic fossils were first discovered. d the time in which the period occurred, 16 The gradual development of new organisms from preexisting organisms is called. a natural selection c evolution, b mass extinction d environmental change. 17 The division of geologic time that makes up about 88 of Earth s history is called. a the Paleozoic Era c Precambrian time, b the Cambrian Period d the Permian Period. 18 The Devonian Period is also known as the, a Age of Mammals c Age of Reptiles.
b Age of Fishes d Carboniferous Period, 19 The mass extinction at the end of the Permian Period led to. a fewer resources during the Mesozoic Era, b abundant new life forms in the Mesozoic and Cenozoic Eras. c delayed evolution of new species in the Cenozoic Era. d little environmental change in the Mesozoic Era, 20 According to the impact hypothesis dinosaurs became extinct when. a the continents underwent great movement, b a giant meteorite crashed into Earth. c volcanic activity increased, d Earth s climate became much warmer.
21 The Cenozoic Era is known as the, a Age of Reptiles c Age of Evolution. b Age of Fishes d Age of Mammals, 22 The Precambrian rock record is difficult to interpret because. a very few rocks exist from Precambrian time, b Precambrian rock contains many fossils. c Precambrian rock contains many minerals, d tectonic activity has altered the original order of rock layers. 23 The most common Precambrian fossils are, a marine worms c stromatolites.
b trilobites d brachiopods, 24 On a geologic column the oldest rocks. a are on the bottom c are in the middle, b are on the top d contain fossils of modern day animals. 25 Which of the following explains the concept of evolution brought about by geologic change. a Geologic changes have no effect on evolution, b The fossils found in the lower layers of the geologic column resemble modern day. c When the seas retreated at the end of the Permian Period tribolites became extinct. d Few fossils exist in Precambrian rocks, In the cross section shown if layer 2 is 299 318 million years old and layer 7 is 488 542 million years old. which of these is most likely correct, a Layer 2 is younger than layer 1 c Layer 5 is younger than layer 6.
b Layer 3 is 317 million years old d Layer 4 is less than 318 million years old. Rocks found on land are up to 3 8 billion years old but those in the ocean are no more than 180 million years. old Using the information shown during which era could parts of the ocean floor have formed. a Triassic c Precambrian, b Paleozoic d Mesozoic, 28 Which of these provides the best evidence that an environmental change has occured. a a freshwater lake in the mountains c saltwater clams in the ocean. b marine fossils in a freshwater lake d a sandy beach next to the ocean. 29 Trilobites are extinct animals that lived in oceans Fossils of these animals can be found in dry areas such as. Cincinnati What does this indicate, a Trilobites now live underground c Cincinnati was once covered by the ocean. where trilobites lived, b Trilobites are the ancestors of jellyfish d The environment changed creating small. saltwater lakes in Cincinnati, 30 The discovery of a fossilized animal with teeth a long bony tail and feathered wings helped to establish. which evolutionary sequence, a rodents to bats c aquatic organisms to land based.
b reptiles to birds d intertebrates to flying organisms. 31 A student is visiting a local limestone quarry and finds fossils of seashells The quarry is located hundreds of. miles from the ocean The fossils best indicate that. a this area was once below sea level c erosion took place after a flood. b global temperature changed over time d volcanic activity affected the area. Which of the following best describes the fossil at Point 3 when compared to the fossils at Points 1 and 2. a The fossil at Point 3 is less common c The fossil at Point 3 is older. b The fossil at Point 3 is smaller d The fossil at Point 3 is more complex. 33 A teacher gave studens this diagram of rock layers The teacher directed the students to determine the relative. age of each rock layer based only on the information presented in the diagram. Which method can best be used by the students to determine the relative age of these layers. a radiometric dating c the law of superposition, b rock type evaluation d principle of uniformitarianism. Which formation in this geologic map is youngest, 35 Environmental effects of the impact of a meteorite 66 4 million years ago may have led to the extinction of. many species on Earth Which evidence best supports this theory. a The Cenozoic Era began 66 4 million c Many other meteorite impact sites have. years ago when the Mesozoic Era ended been identified on Earth. b Iridium found in meteorites is also present d Many asteroids are found between Mars. in rocks layers that are 66 4 million years and Jupiter. Match each item with the correct statement below, a began about 11 500 years ago as the last glacial period ended. b known as the Age of Reptiles, c makes up about 88 of Earth s history. d when supercontinent Pangaea formed, e known as the Age of Mammals.
36 Mesozoic Era, 37 Precambrian time, 38 Cenozoic Era. Earth Science Unit 7 Test Multiple Choice Identify the choice that best completes the statement or answers the question 1 The principle that Earth s history can be explained by current geologic processes is a unconformity c superposition b uniformitarianism d evolution 2 Younger layers of undisturbed sedimentary rock are above older layers according to a the principle

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