Q.Write a short note on: Eco System.

An ecosystem is a natural system in which living organisms interact with each other and with their non-living environment, exchanging energy and materials. Examples: a forest, pond or grassland.

This is a 2-mark short note in AP Intermediate 2nd year Economics, part of the environment theme, treated in line with the NCERT/CBSE curriculum.

Meaning. An ecosystem is a self-contained natural unit consisting of all the living organisms in a particular area - plants, animals and micro-organisms (the biotic components) - together with the non-living physical surroundings such as air, water, soil, sunlight and temperature (the abiotic components), all interacting with one another. Within an ecosystem there is a continuous exchange of energy and materials, for example through food chains and nutrient cycles, which keeps the system in balance. A forest, a pond, a lake, a desert and a grassland are common examples of e …