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Which of the following is a natural ecosystem?
Crop field
Aquarium
Garden
Forest
Forest
A natural ecosystem is a biological community of interacting organisms and their physical environment that develops without human intervention and operates through natural evolutionary processes. A forest is a prime example of a natural ecosystem, whereas crop fields, aquariums, and gardens are artificial or man-made ecosystems created and maintained by human beings.
A natural ecosystem is a biological community of interacting organisms and their physical environment that develops without human intervention and operates through natural evolutionary processes. A forest is a prime example of a natural ecosystem, whereas crop fields, aquariums, and gardens are artificial or man-made ecosystems created and maintained by human beings.
Ecosystem Ecology: The term 'Ecosystem' was first coined by A.G. Tansley in 1935, describing the structural and functional unit of ecology comprising biotic and abiotic components.
Ecosystems are broadly classified into two categories: Natural and Artificial (Man-made).
Natural ecosystems operate independently under natural solar energy and nutrient cycles without human engineering.
Natural ecosystems are further divided into Terrestrial (Forest, Grassland, Desert) and Aquatic (Pond, Lake, Ocean, River).
Artificial ecosystems require continuous human input like artificial fertilizers, water supply, cleaning, or seed sowing to survive.
Option A (Crop field) is an artificial ecosystem where farmers control species growth and nutrients.
Option B (Aquarium) is an artificial aquatic environment requiring manual oxygenation, food supply, and filtration.
Option C (Garden) is a man-made terrestrial setup maintained for decorative or recreation purposes.
D is correct тАФ Forest is a naturally existing ecosystem that functions without human intervention.
In Environment and Ecology sections, questions frequently contrast Natural vs. Artificial ecosystems alongside Trophic Levels (Producers, Consumers, Decomposers) and Ecological Pyramids.
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