Q. Which one of the following is the best description of the term ‘ecosystem’?

• A community of organisms interacting with one another
• That part of the Earth which is inhabited by living organisms
• A community of organisms together with the environment in which they live
• The flora and fauna of a geographical area

Answer: (c) A community of organisms together with the environment in which they live

Ecosystem

• It is an interaction of all living and nonliving organisms with the surrounding environment.
• The different types of the ecosystem include:
  • Terrestrial ecosystem
  • Forest ecosystem
  • Grassland ecosystem
  • Desert ecosystem
  • Tundra ecosystem
  • Freshwater ecosystem
  • Marine ecosystem