Chapter 1

• Prokaryotes have no nucleus and lack membrane-bound organelles.
• Cells can be classified as prokaryotic or eukaryotic based on their structure.
• Binomial Nomenclature

  System of providing scientific name with two components, namely, Generic name and Specific epithet
• The scientific names are in Latin because..


  it is a dead language
• Name of discoverer can be written after specific epithet in abbreviated form.
• Classification


  process of grouping living organisms together based on some easily recognizable characters
• Species

  closely related organisms that have the ability to inbreed
• Genus


  Group of closely related species
• Family

  Closely related Genera
• Order


  Closely limited families with few simmilarities
• Class


  closely related order
• Phylum


  Group of related class of animals with common features like notochord
• Division


  Group of related plants with commonn features
• Genus of human

  Homo
• Species of human

  Sapiens
• Human Family

  Hominidae
• Order Human

  Primata
• Class Human

  Mammalia
• Phylum Human

  Chordata
• Housefly biological name

  Musca domestica
• Housefly genus

  Musca
• Housefly family

  Mucidae
• Housefly Order

  Diptera
• Housefly class

  Insecta
• Housefly phylum

  Arthropoda
• Mango scientific name

  Mangifera indica
• Mango family

  Anacardiaceae
• Mango order

  Sapindales
• Mango class

  Dicotyledonae
• Mango Division

  Angiospermae
• Wheat scientific name

  Triticum aestivum
• Wheat genus

  Triticum
• Wheat species

  aestivum
• Wheat family

  poaceae
• wheat order

  poales
• wheat class

  monocotyledonae
• wheat division

  angiospermae