chapter resources
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Chapter Resources. Click on one of the following icons to go to that resource. earth.msscience.com. Image Bank. Foldables. Video Clips and Animations. Chapter Summary. Chapter Review Questions. Standardized Test Practice. earth.msscience.com. Image Bank. - PowerPoint PPT PresentationTRANSCRIPT
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Chapter ResourcesChapter Resources
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earth.msscience.com
Image Bank
Foldables
Video Clips and Animations
Standardized Test Practice
Chapter Review Questions
Chapter Summary
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earth.msscience.com
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Trilobite Fossils
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Geologic Time Scale
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Rock Layers
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Dog
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Darwin’s Journey
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Giraffe
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Different Trilobites
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Trilobite Eyes
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Blind Trilobite
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Olenellus
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Pangaea
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Early Precambrian
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Stromatolite
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Predatory Fish
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Panderichthy
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Frog
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Formation of Appalachian Mountains
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Hyoliths
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Triassic Period
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Dinosaur Illustration
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Dinosaur Illustration
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Earliest Mammal
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Alps
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The Himalayas
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Horse Eating
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Dolphins
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FoldablesFoldables
Geological Time
Make the following Foldable to help you identify the major events in each era of geologic time.
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FoldablesFoldables
Fold the top of a vertical piece of paper down and the bottom up to divide the paper into thirds.
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FoldablesFoldables
Turn the paper horizontally; unfold and label the three columns as shown.
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FoldablesFoldables
As you read the chapter, list at least three major events that occurred in each era. Keep the events in chronological order. For each event, note the period in which it took place.
Read for Main Ideas
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Video ClipsVideo Clips
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11
• Geologic time is divided into eons, eras, periods, and epochs.
Life and Geologic Time
• Divisions within the geologic time scale are based largely on major evolutionary changes in organisms.
Reviewing Main IdeasReviewing Main Ideas
• Plate movements affect organic evolution.
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22
• Cyanobacteria evolved during Precambrian time. Trilobites, fish, and corals were abundant during the Paleozoic Era.
Early Earth History
• Plants and animals began to move onto land during the middle of the Paleozoic Era.
Reviewing Main IdeasReviewing Main Ideas
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22Early Earth History
• At the end of the Paleozoic Era, many marine invertebrates became extinct.
Reviewing Main IdeasReviewing Main Ideas
• The Paleozoic Era was a time of mountain building. The Appalachian Mountains formed when several islands and finally Africa collided with North America.
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33
• Reptiles and gymnosperms were dominant land life-forms in the Mesozoic Era. Mammals and angiosperms began to dominate the land in the Cenozoic Era.
Middle and Recent Earth History
• Pangaea broke apart during the Mesozoic Era. Many mountain ranges formed during the Cenozoic Era.
Reviewing Main IdeasReviewing Main Ideas
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Chapter ReviewChapter Review
Question 1
Organic evolution is a change in the _________ of a species over a long period.
A. habitatB. hereditary featuresC. locationD. numbers
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Chapter ReviewChapter Review
Answer
The answer is B. The fossil record shows that species have changed over time.
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Chapter ReviewChapter Review
Question 2
A group of organisms that normally reproduces only with other members of their group is a __________.
A. categoryB. collectionC. sortD. species
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Chapter ReviewChapter Review
Answer
The answer is D. Dogs are a species because they mate and reproduce only with other dogs.
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Chapter ReviewChapter Review
Question 3
Which of these organisms existed first on Earth?
A. angiospermsB. birdsC. cyanobacteriaD. dinosaur
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Chapter ReviewChapter Review
Answer
The answer is C. Cyanobacteria first appeared about 3.5 billion years ago. The diagram shows a stromatolite, which is a layered mat formed by cyanobacteria colonies.
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Chapter ReviewChapter Review
Question 4
What atmospheric gas is produced by photosynthesis?
A. carbon dioxideB. nitrogenC. oxygenD. sulfur dioxide
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Chapter ReviewChapter Review
Answer
The answer is C. Oxygen is produced during photosynthesis.
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Chapter ReviewChapter Review
Question 5
You are living in the Cenozoic Era, which began __________ years ago.
A. 1.8 millionB. 65 millionC. 248 millionD. 544 million
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Chapter ReviewChapter Review
Answer
The answer is B. The Cenozoic Era followed the mass extinction at the end of the Mesozoic Era.
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Standardized Test PracticeStandardized Test Practice
Question 1
Which era was the longest?
A. ArcheanB. CenozoicC. MesozoicD. Paleozoic
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Standardized Test PracticeStandardized Test Practice
Answer
The answer is D. the Paleozoic was the longest era. The Archean subdivision lasted longer but was an eon.
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Standardized Test PracticeStandardized Test Practice
Question 2According to this map of Darwin’s journey, which of the following did he visit after the Galapagos Islands?
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Standardized Test PracticeStandardized Test Practice
A. Ascension IslandsB. Cape Horn
C. Falkland IslandsD. New Zealand
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Standardized Test PracticeStandardized Test Practice
Answer
The answer is D. He sailed west from the Galapagos Islands.
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Standardized Test PracticeStandardized Test Practice
Question 3
What trilobite body structure is shown in the enlarged diagram?
A. brainB. earC. eyeD. nose
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Standardized Test PracticeStandardized Test Practice
Answer
The answer is C. Trilobites had many different types of eyes.
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Standardized Test PracticeStandardized Test Practice
Question 4
Amphibians probably evolved from fish like __________in this diagram, which had fins and lungs.
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Standardized Test PracticeStandardized Test Practice
A. AmphibiosaB. DickensoniaC. PanderichthysD. Spriggina
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Standardized Test PracticeStandardized Test Practice
Answer
The answer is C. Dickensonia and Spriggina are thought to be wormlike creatures.
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Standardized Test PracticeStandardized Test Practice
Question 5
What present day mountain range is located at A?
A. AppalachianB. HimalayaC. RockyD. Sierra Nevada
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Standardized Test PracticeStandardized Test Practice
Answer
The answer is B. The Himalaya are located along the border between India and Tibet.
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End of Chapter Resources File