Question

Which among the following is a natural mini ecosystem(s)?

• A. Agroecosystem
• B. Pond
• C. Aquarium
• D. Both b and c

Answer 1

The correct option is B Pond

An ecosystem is referred as a functional unit of nature, where living organisms interact among themselves and also with the surrounding physical environment.

Ecosystems vary greatly in size.

Based on their size, they can be classified as mini ecosystems and mega ecosystems.

• Mini ecosystem: They represent a miniature copy of a large ecosystem. They can be as small as an aquarium to as big as a pond.
  • Pond is a natural ecosystem as it develops without human support or interference whereas an aquarium is an artificial man-made ecosystem. Aquariums are created and maintained by human beings.
• Mega-ecosystem: These ecosystems are very huge and
  have a large biodiversity. Example: oceans

Agriculture or agroecosystem is the largest man-made ecosystem.