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Ecosystem

Short Answer Type

51. State the difference between Biotic and Abiotic components of ecosystem.

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52.

Explain the meaning of food web .

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53. Explain the terms standing crop, biomass and standing state.

Standing crop- The mass of living material that each trophic level has at a particular time is called as the standing crop.

Biomass. Biomass is biological material derived from living, or recently living organisms. It is the mass of living organisms. The biomass of a species is expressed in terms of fresh or dry weight.

Standing State- The amount of nutrients, such as, carbon, nitrogen, phosphorus, calcium, etc. present in the soil at any given time, is referred to as the standing state.

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