...Do you think scientist should bring back the wooly mammoth? I do not think so! There are so many reasons that prove the de-extinction is a bad idea. For example, they can bring back diseases, die again, and mess up the current ecosystem . If these things happen, it would be a disaster! If the woolly mammoth came back they could not have a microbiome that helps them digest food. They might not have this microbiome because scientists can only pull out fragments of the DNA from the mammoth bones. Since they can only get fragments, they can’t bring back the mammoth exactly like it used to be. This could cause the mammoth to lose the microbiome. Without this microbiome, they can’t digest food properly. They will end up dying of starvation and that...
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...De-extinction or not? The ethical dilemmas of cloning extinct species have been a...
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...Is bringing back an extinct species a moral or immoral idea for our environment? Many species that were once populous and thriving in our world are now gone and extinct because of poachers and hunters. Now, because of poachers, an increased number of different species remain on the brink of becoming extinct. The question is how can society help stop the extermination of various species? De-extinction could give us a chance to revive animals that have been gone for a long time and could benefit our ecosystem. Therefore, while numerous people recognize that when a species is almost extinct, they should assist in every way possible to save that specific species, few people understand that de-extinction could help better the environment and the species itself as occasionally extinction is inevitable....
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...The Origins of the Chinese Empire, to 220 C.E. these cities, built by rulers to move troops and supplies, were traveled by traders transporting such items as metal tools and utensils, lacquered wood plates and boxes, silk, pottery, gems, salt, and lumber. A money economy emerged, using copper coins called cash, with center holes for stringing them together for counting and carrying. China's towns and cities were likewise linked into a large economic system . Trade between China and distant lands A metal bell from the Zhou era. was difficult and dangerous, but by the era's end commerce was conducted by sea with Southeast Asia and by land routes crossing Central Asia. The Central Asian Connection Central Asia, a vast expanse to China's north and west where the climate was too dry for farming (Map 2), was home mainly to pastoral nomads who grazed herds on its plateaus and plains. Skilled on horseback, the nomads occasionally attacked Chinese settlements to carry off goods and supplies, but they also spread commerce and useful knowledge. Some nomads, for example, exchanged their Central Asian nomads connect China with other cultures Nomads and Chinese adopt horse riding and crossbows from each other Iron tools and weapons spread to China, enhancing farming and warfare hides, wool, and horses for Chinese silk, pottery, metalware, and wood products and then traded these items with other societies across Central Asia. Over time, connections with the...
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...GLENCOE LANGUAGE ARTS Grammar and Language Workbook G RADE 9 Glencoe/McGraw-Hill Copyright © by The McGraw-Hill Companies, Inc. All rights reserved. Except as permitted under the United States Copyright Act of 1976, no part of this publication may be reproduced or distributed in any form or means, or stored in a database or retrieval system, without the prior written permission of the publisher. Send all inquiries to: Glencoe/McGraw-Hill 936 Eastwind Drive Westerville, Ohio 43081 ISBN 0-02-818294-4 Printed in the United States of America 1 2 3 4 5 6 7 8 9 10 024 03 02 01 00 99 Contents Handbook of Definitions and Rules .........................1 Troubleshooter ........................................................21 Part 1 Grammar ......................................................45 Unit 1 Parts of Speech 1.1 Nouns: Singular, Plural, and Collective ....47 1.2 Nouns: Proper and Common; Concrete and Abstract.................................49 1.3 Pronouns: Personal and Possessive; Reflexive and Intensive...............................51 1.4 Pronouns: Interrogative and Relative; Demonstrative and Indefinite .....................53 1.5 Verbs: Action (Transitive/Intransitive) ......55 1.6 Verbs: Linking .............................................57 1.7 Verb Phrases ................................................59 1.8 Adjectives ....................................................61 1.9 Adverbs........................................................63 1.10 Prepositions...
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