excessively big attention to the first one‚ but nearly nothing to the latter one; and sometimes we even forget that it exists. However‚ there is a saying that a shirt is always closer to the body than a coat. Our planet was developed within the process of evolution - step by step. Millions of suns originate in the nebula and disperse into the space. When we see them on the night sky‚ we call them the stars. On their long way across the space planets were created from the stardust around them‚ like around our
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Evolution is simply the process of organisms developing and diversifying from a previous earlier form during the history of the earth. The four forces evolution‚ what is believed to push evolution to go forward‚ are mutation‚ natural selection‚ genetic drift‚ and gene flow. Let’s start with mutation. A mutation‚ occurring during the process of mitosis or meiosis‚ is a change in genetic code or chromosome. This can affect how one physically looks‚ behave‚ and think. Mutations are random. Most are
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Because of its importance‚ homes and businesses can not live without it. In the U.S. alone‚ most if not all have a phone in the house. Since its invention in 1876‚ the telephone evolved along with the technology of the time. Not only was there an evolution in the instruments but many different manufacturers produced various styles and certain uniqueness to their wall and desk telephones. Morse‚ Samuel Finley Breese (1791-1872)‚ American artist and inventor‚ known for his invention of the electric
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Evolution of Computer A.P.Mohana priyaa Abacus Chinese invented calculating device called ABACUS Ø Also known as “SOROBAN” perform addition and Ø subtraction Wooden rack holding two horizontal wires with beads Ø strung on them. Rules memorized by the user Ø Regular arithmetic problems can be done Ø NAPIER’S DEVICE John Napier a Scottish Mathematician Ø Set of eleven animal bones later it was replaced by Ø rod Number marked on them‚they placed
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Evolution of Birds It has become widely accepted that birds have evolved from reptiles in the Jurassic period and are the living descendants of a group of dinosaurs called theropods. Birds share hundreds of unique skeletal features with dinosaurs. Over the years‚ birds have evolved in a wide variety of forms‚ from flightless and aquatic to flying animals. Due to poor fossil records‚ some information regarding the evolution of birds are based on theories but during the last 30 years‚ the evolutionary
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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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Evolution Evolution is considered to be the process in which life changes or evolves over time‚ with new species of life being produced from existing species. The creation-evolution controversy has been an ongoing political‚ theological and cultural debate. The scientific evidence shows that the earth is around 4.5 billion years old and that life evolved over time. However‚ those who believe in the Bible reject the scientific evidence and refer to Genesis. Genesis states that God created the world
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Design Patterns FOR DUMmIES by Steve Holzner‚ PhD ‰ Design Patterns FOR DUMmIES ‰ Design Patterns FOR DUMmIES by Steve Holzner‚ PhD ‰ Design Patterns For Dummies® Published by Wiley Publishing‚ Inc. 111 River Street Hoboken‚ NJ 07030-5774 www.wiley.com Copyright © 2006 by Wiley Publishing‚ Inc.‚ Indianapolis‚ Indiana Gamma/Helm/Johnson/Vlissides‚ DESIGN PATTERNS: ELEMENTS OF REUSABLE OBJECT-ORIENTED SOFTWARE‚ © 1995 Pearson Education‚ Inc. Reprinted
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The Future of Human Evolution Alexander R. Prof. Kohn Darwinism and Evolution 12-6-96 Evolution‚ the science of how populations of living organisms change over time in response to their environment‚ is the central unifying theme in biology today. Evolution was first explored in its semi-modern form in Charles Darwin ’s 1859 book‚ Origin of Species by means of Natural Selection. In this book‚ Darwin laid out a strong argument for evolution. He postulated that all species have a common ancestor
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Evolution of the Alligator Evolution of the Alligator One of the most highly evolved animals on the Earth today is the alligator. Found mainly in the swamps and warmer climates of the earth‚ these predators are one of the few animals left that existed when the dinosaurs roamed the planet. Over the millennia‚ they have evolved into one of the most feared and interesting creatures today. However‚ the modern alligator is a far cry from its ancestral roots. Today‚ by looking at the anatomy of
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