Who coined the term ’Ecosystem’?
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Solution and Explanation
The term ’Ecosystem’ was coined by A.G. Tansley in 1935.
Tansley defined the ecosystem as a system formed by the interaction of a community of organisms with their physical environment. This concept laid the foundation for the study of ecology and the understanding of how organisms and their environments function as a whole.
Top Questions on Ecosystem
Consider the following food chain: Grass → Grasshopper → Frog → Snake → Eagle If the amount of energy available at third trophic level is 50 kJ, the available energy at the producer level was:
Assertion (A): Food web is a network of several food chains operating in an ecosystem.
Reason (R): Food web decreases the stability of an ecosystem.We do not clean natural ponds or lakes, whereas an aquarium or a swimming pool needs to be cleaned regularly. Why?
- Differentiate between Net primary productivity and Gross primary productivity in an ecosystem.
- (A) Analyse the following ecosystems and discuss, which will be more productive in terms of primary productivity:
A young forest, a natural old forest, a shallow polluted lake.
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