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Ecosystems and Energy Flow — BIOLOGY STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceBIOLOGYEcosystems and Energy Flow4 Marks
Question
Distinguish between : Natural ecosystem and artificial ecosystem.
✓

Answer

Natural ecosystemArtificial 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.

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