A) biome
B) natural ecosystem
C) artificial ecosystem
D) community of plants and animals
Correct Answer: B
Solution :
The system resulting from integration of all the living and non-living factors of the environment is called ecosystem. It may be of two types: (i) Natural ecosystem: These operate by themselves under natural conditions with out any major interferance by man. e.g., forest, desert, spring, stream, pond, pools, lake, sea or estuary etc. (ii) Artificial ecosystem: These are maintained artificially by man where, by addition of energy and planned manipulations natural balance disturbed regularly e.g., crop plant, space ecosystem etc. Biome is a complex of several types of communities some in climax stage and other in different stages of succession under similar climatic conditions. Community is a group of populations of different species in a given area i.e., it includes all plants, all animals and microorganisms in that area.
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