W H A T I S ‘ L I V I N G’

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presentation based on NCERT XII Biology

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W H A T I S ‘ L I V I N G’

  1. 1.  Biodiversity or the number and types of organisms present on earth
  2. 2.  Classificationis the process by which anything is grouped into convenient categories based on some easily observable characters.  Identification; Correct describing of organisms  Nomenclature: Scientific naming  Scientific names: Binomial nomenclature Carolus Linnaeus  ICBN, ICZN
  3. 3.  Biological names are generally in Latin and written in italics.They are Latinised or derived from Latin irrespective of their origin.  The first word in a biological name represents the genus while the second component denotes the specific epithet.  Both the words in a biological name, when handwritten, are separately underlined, or printed in italics to indicate their Latin origin.  The first word denoting the genus starts with a capital letter while the specific epithet starts with a small letter. It can be illustrated with the example of Mangifera indica.
  4. 4.  During classification the living organisms are classified into different catagories called taxa  Based on characteristics, all living organisms can be classified into different taxa. This process of classification is taxonomy  Characterisation, identification, classification and nomenclature are the processes that are basic to taxonomy
  5. 5.  Branch of science dealing with identification, nomenclature,and classification of organisms based on the similarities differences and evolutionary relationships.

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