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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.
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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
Image Bank Click on individual thumbnail images to view larger versions.
Image Bank Transfer Images • To transfer images to your own power point follow the following steps: • Open the “Resource” file from the CD-ROM disc – view the file in the “normal view” or “slide sorter view” mode - go to slide #2 – from there you can click through the images and follow these instructions. Click once on the image. • Copy the image • Go to your own power point document • Paste the image.
Image Bank Trilobite Fossils
Image Bank Geologic Time Scale
Image Bank Rock Layers
Image Bank Dog
Image Bank Darwin’s Journey
Image Bank Giraffe
Image Bank Different Trilobites
Image Bank Trilobite Eyes
Image Bank Blind Trilobite
Image Bank Olenellus
Image Bank Pangaea
Image Bank Early Precambrian
Image Bank Stromatolite
Image Bank Predatory Fish
Image Bank Panderichthy
Image Bank Frog
Image Bank Formation of Appalachian Mountains
Image Bank Hyoliths
Image Bank Triassic Period
Image Bank Dinosaur Illustration
Image Bank Dinosaur Illustration
Image Bank Earliest Mammal
Image Bank Alps
Image Bank The Himalayas
Image Bank Horse Eating
Image Bank Dolphins
Foldables Geological Time Make the following Foldable to help you identify the major events in each era of geologic time.
Foldables Fold the top of a vertical piece of paper down and the bottom up to divide the paper into thirds.
Foldables Turn the paper horizontally; unfold and label the three columns as shown.
Foldables Read for Main Ideas 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.
Video Clips Click image to view movie.
Reviewing Main Ideas 1 Life and Geologic Time • Geologic time is divided into eons, eras, periods, and epochs. • Divisions within the geologic time scale are based largely on major evolutionary changes in organisms. • Plate movements affect organic evolution.
Reviewing Main Ideas 2 Early Earth History • Cyanobacteria evolved during Precambrian time. Trilobites, fish, and corals were abundant during the Paleozoic Era. • Plants and animals began to move onto land during the middle of the Paleozoic Era.
Reviewing Main Ideas 2 Early Earth History • The Paleozoic Era was a time of mountain building. The Appalachian Mountains formed when several islands and finally Africa collided with North America. • At the end of the Paleozoic Era, many marine invertebrates became extinct.
Reviewing Main Ideas 3 Middle and Recent Earth History • Reptiles and gymnosperms were dominant land life-forms in the Mesozoic Era. Mammals and angiosperms began to dominate the land in the Cenozoic Era. • Pangaea broke apart during the Mesozoic Era. Many mountain ranges formed during the Cenozoic Era.
Chapter Review Question 1 Organic evolution is a change in the _________ of a species over a long period. A. habitat B. hereditary features C. location D. numbers
Chapter Review Answer The answer is B. The fossil record shows that species have changed over time.
Chapter Review Question 2 A group of organisms that normally reproduces only with other members of their group is a __________. A. category B. collection C. sort D. species
Chapter Review Answer The answer is D. Dogs are a species because they mate and reproduce only with other dogs.
Chapter Review Question 3 Which of these organisms existed first on Earth? A. angiosperms B. birds C. cyanobacteria D. dinosaur
Chapter 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.
Chapter Review Question 4 What atmospheric gas is produced by photosynthesis? A. carbon dioxide B. nitrogen C. oxygen D. sulfur dioxide
Chapter Review Answer The answer is C. Oxygen is produced during photosynthesis.
Chapter Review Question 5 You are living in the Cenozoic Era, which began __________ years ago. A. 1.8 million B. 65 million C. 248 million D. 544 million
Chapter Review Answer The answer is B. The Cenozoic Era followed the mass extinction at the end of the Mesozoic Era.
Standardized Test Practice Question 1 Which era was the longest? A. Archean B. Cenozoic C. Mesozoic D. Paleozoic
