Biodiversity ; SCI 3RD QTR.

• Biodiversity


  Refers to a vast array of life forms
• Levels of biodiversity

  • Species diversity
  • Genetic diversity
  • Ecosystem diversity
• Species diversity


  Comprises the large number and all different kinds, shapes, colors, and sizes of organisms that inhabit the earth
• Genetic diversity


  Refers to the variety of genes or inheritable characteristics present in a population
• Ecosystem diversity


  Refers to the different types of places where organisms live
• Species


  A group of living organisms capable of Interbreeding naturally
• Taxonomy


  Branch of biology that names and classifies species and groups them into broader categories
• Carolus Linnaeus developed the binomial system of naming organisms using physical characteristics to distinguish over 11,000 species


  May 23, 1707 - January 10, 1778
• Species concepts

  • Biological
  • Morphological
  • Ecological
  • Phylogenetic
• Biological species concept


  Group of organisms that can actually or potentially interbreed
• Morphological species concept


  Group of organisms based on identical physical features or appearance
• Ecological species concept


  Group of organisms that share the same resources or ecological niche
• Phylogenetic species concept


  Related organisms with shared unique genetic history