Question

Distinguish between the following :

Natural ecosystem and artificial ecosystem.

Answer 1

Natural ecosystem	Artificial ecosystem
1. Natural ecosystems are naturally formed.	1. Artificial ecosystems are man made.
2. There are no human inputs in natural ecosystems.	2. Artificial ecosystem is based on all human inputs.
3. Natural ecosystems are self-sustainable.	3. Artificial ecosystems are not self-sustainable.
4. In natural ecosystem, energy and materials are used and reused in cyclic manner. E.g. Ocean, forest, wetlands, estuary.	4. In artificial ecosystem, Energy and materials have to be given by human intervention which requires constant inputs. E.g. Farm land, aquaculture ponds, aquarium in the house.