Levels of Ecological Organization

• Levels of biological organization

  • Organism
  • Population
  • Community
  • Ecosystem
  • Biosphere
• Organism


  Single living thing, belongs to one type of species
• Population


  Group of organisms that are all the same species living in the same location at the same time
• Community


  Populations of different species living in an area at the same time
• Ecosystem


  All the biotic and abiotic factors in an area, including the community and the physical environment
• Biosphere


  All the parts of the Earth which contain living organisms, encompassing all of the ecosystems on the planet