Evolution and classification Main article: Evolution of birds Archaeopteryx lithographica is often considered the oldest known bird The first classification of birds was developed by Francis Willughby and John Ray in their 1676 volume Ornithologiae.[5] Carolus Linnaeusmodified that work in 1758 to devise the taxonomic classification system currently in use.[6] Birds are categorised as the biological classAves in Linnaean taxonomy. Phylogenetic taxonomy places Aves in the dinosaur clade Theropoda
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Computers & Education 50 (2008) 906–914 www.elsevier.com/locate/compedu In-class laptop use and its eVects on student learning Carrie B. Fried ¤ Winona State University‚ Psychology Department‚ 231 Phelps Hall‚ Winona‚ MN 55987‚ United States Received 29 June 2006; received in revised form 15 September 2006; accepted 24 September 2006 Abstract Recently‚ a debate has begun over whether in-class laptops aid or hinder learning. While some research demonstrates that laptops can be an important learning
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become when I grow up. By adapting the qualities of a “world-class” engineering student‚ I would be able to have the right skills to make a great impact in our world. The definition of “world-class” engineering student can vary between each person. My definition for that term is‚ “a determined and ambitious person who have the ability to achieve a significant goal which can improve the whole world”. A “world-class” engineering student is also a role model who always have a positive mindset and has
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BACTERIA Identification (Classification I. Domain: Bacteria 1. Gram Negative Proteobacteria (Phylum XII) Non-Proteobacteria 2. Gram Positive LOW G+C (Phylum XIII) HIGH G+C (Phylum XIV) II. Domain: Archaea III. Domain: Eukarya (Gram Negative 1. Bordetella pertussis Pertussis/Whooping Cough 2. Eikenella corrodens Human Bite Injury
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Classification of Beer What’s more refreshing on a hot summer day than a nice cold beer? Or how about drinking a nice cold one with some buddies after work at a local bar‚ sound nice doesn?t it? Beer has been around for many years and will probably be around for many more. A beer is any variety of alcoholic beverages produced by the fermentation of starchy material derived from grains or other plant sources. The production of beer and some other alcoholic beverages is often called brewing.
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Classification of Taxes Classification of taxes 1. As to subject matter or object A. personal‚ poll or capitation- tax of a fixed amount on individuals residing within a specified territory‚ without regard to their property‚ occupation or business. Ex. Community tax (basic) B. property- imposed on property‚ real or personal‚ in proportion to its value‚ or in accordance with some reasonable method or apportionment. Ex. Real estate Tax C. Excise- imposed upon the performance of an act‚ the
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Cost Classification Introduction: In this assignment I will be discussing how costs incurred in any organization may be classified in a number of different ways for a number of different purposes. I will also be looking to find companies that use a variety of different costing techniques and methods. I will also be discussing the comparisons between marginal and absorption costing and how the concept of activity based costing can also be compared with these. To complete the assignment I will
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Classification and Marine Biodiversity Important Background Information that you need to know and understand: (Understand the Key Concepts) Key words: binominal system of naming; science of classification is taxonomy; species; levels of classification (know them); dichotomous identification key; 5 kingdoms; etc… CLASSIFICATION Our oceans have a great variety of life forms. Thousands of new species are discovered each year. We need to identify‚ name‚ and know the biology of all the marine
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Restaurant Classifications When you go out to eat at different restaurants have you ever noticed each style of cuisine have distinct features about them? When you chose to dine at a Chinese restaurant you will always get a fortune cookie when you finish your meal and you have the option of eating with chopsticks. When dining at a Mexican restaurant you are always served tortilla chips to munch on before your actual meal and most of the time you don’t need silverware to eat. Last‚ but not
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Classification of Cost Cost may be classified into different categories depending upon the purpose of classification. Some of the important categories in which the costs are classified are as follows: 1. Fixed‚ Variable and Semi-Variable Costs The cost which varies directly in proportion with every increase or decrease in the volume of output or production is known as variable cost. Some of its examples are as follows: • Wages of laborers • Cost of direct material • Power The cost which
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