ppt presnttionarya
DESCRIPTION
pptTRANSCRIPT
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MILESTONES IN CLASSIFICATION
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WHAT IS CLASSIFICATION ?
CLASSIFICATION - THE PROCESS OF ORGANISMS ON THE BASIS OF SIMILARITY AND DIFFERENCES.
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FAMOUS SCIENTIST IN CLASSIFICATION
ARISTOTLE CHARAKAN JOHN RAY KARL LINNEAUS
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ARISTOTLE
• Father of Biology
born 384 BC,Srafira,Chaladice,Greece.
died 322BCEuboea,Geek
nationality Greek
era Ancient philosophy
region Western philosophy
school •Peripete•Aristotelianism school
•Father of Biology
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CLASSIFICATION OF JOHN RAY
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CONTRIBUTIONS
Classified both plants and animals into red blooded and non-red blooded His publications includes physics, metaphysics etc
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Greek philosopher. divided organisms into 2 groups - plants and animals. divided animals into blood and bloodless. also divided animals into 3 groups according to how they moved - walking, flying, or swimming (land, air, or water) his system was used into the 1600's
CONTRIBUTIONS OF ARISTOTLE
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CHARAKAN
Life span: AD-1father of Ayurveda
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Contributions of Charakan
Classified 200 animals and 340 plantsFamous publication is CharakasamhithaFamous ayurveda physicianOther books includes cause of diseases
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CARL LINNEAUS
Born 23 May 1707
Stenbrohult parish
Died 10 January 1778 (aged 70)Hammarby Danmark parish (outside Uppsala), Sweden
Residence Sweden
Nationality swedish
Fields BotanyBiologyZoology
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Contributions of Karl Linneaus
He classified plantsFirst publication is ‘Systema naturae’ in 1735Other publication is Genera planterumThe first edition of Systema Naturae was printed in the Netherlands in 1735. it classified 4,400 species of animals and 7,700 species of plants. These binomials could serve as a label to refer to the species. Although the system, now known as binomial nomenclature,Linnaeus was the first to use it consistently throughout the work, including in monospecific genera, and may be said to have popularised it within the scientific community.
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CLASSIFICATION OF PLANTS BY KARL LINNEAUS
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JOHN RAY
Life span:1627-1705Born 29 November 1627Black Notley, near Braintree
Died 17 January 1705 (aged 77)Black Notley
Nationality English
Fields Botany, Zoology, Natural history, Natural theology
Academic advisors James Duport
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Contributions of john ray
He published important works on Botany,zoology, and Natural theology. His classification of plants in his Historia Plantarum, was an important step towards modern taxonomy. Ray rejected the system of dichotomous division by which species were classified according to a pre-conceived, either/or type system, and instead classified plants according to similarities and differences that emerged from observation. Thus he advanced scientific empiricism against the deductive rationalism of the scholastics. He was the first to give a biological definition of the term species
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Contributions of john ray
Laid the foundation of classification.Approximately 18,600 plants were recorded in the book ‘Historia Generalis planterum’. He classified plants as flowering, dicots,monocots etc.He first used the term ‘Species’.
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The book Historia generalis planterum
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CONCLUSION
The four scientist in classification areAristotleKarl linneausCharakanJohn rayThrough this powerpoint presentation, the classification of these scientists are presented in a simple way.
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REFERENCE
• www. Wikipedia.com• SCERT textbook standard VIII• Google•Encyclopædia Britannica (2008). The Britannica Guide to the 100 Most Influential Scientists. Running Press.
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THANK YOU
BYARYA S BROLL NO: 6