populations in ecosystems

• Abiotic factors


  Non-living or physical

  • wind
  • humidity
  • temperature
  • light intensity
  • rainfall
• Biotic factors

  Living

  • predators
  • disease
• Community

  All living organisms present in an ecosystem at a given time
• Habitat

  Where an organism usually lives
• Ecosystem


  All the living and non-living components of particular area
• Interspecific competition

  Two species compete for same resources
• Intraspecific competition

  Members of the same species compete for the same resources (occupy same niche)
• Species

  Group of similar organisms that can be breed together to produce fertile offspring
• Population

  Group of individuals of the same species that occupies the same habitat at the same time
• Carrying capacity

  Maximum stable population an ecosystem can support
• Niche

  Role of species within its habitat (e.g. what it eats)