Natural Environment
NIOS · Class 10 · Science & Tech
Flashcards for Natural Environment — NIOS Class 10 Science & Tech. Quick Q&A cards covering key concepts, definitions, and formulas.
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Get startedWhat is an ecosystem?
Answer
An ecosystem is a biological environment consisting of all organisms living in a particular area, along with the non-living physical components with which they interact.
Who put forward the concept of ecosystem and when?
Answer
A.G. Tansley put forward the concept of ecosystem in 1935.
What is the origin of the word ecosystem?
Answer
The word ecosystem is derived from the Greek words oikos meaning home and systema meaning system.
How are ecosystems classified?
Answer
An ecosystem can be natural or human-designed. Natural ecosystems exist in nature, while human-designed ecosystems are artificial ecosystems such as gardens, aquariums, and crop fields.
Give one example of a terrestrial ecosystem and one example of an aquatic ecosystem.
Answer
Grasslands and deserts are terrestrial ecosystems. Rivers, ponds, and oceans are aquatic ecosystems.
What are abiotic components of an ecosystem?
Answer
Abiotic components are the non-living physical and chemical factors in an ecosystem, such as sunlight, temperature, water, soil, air, and moisture.
What are biotic components of an ecosystem?
Answer
Biotic components are the living organisms in an ecosystem, including plants, animals, and microorganisms.
Why are plants called producers?
Answer
Plants are called producers because they manufacture their own food by photosynthesis. In some cases, certain bacteria also produce food by chemosynthesis. Producers form the basis of any biotic syste…
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