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List the features that make a stable bio...

List the features that make a stable biological community.

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Features of stable community are as follows:
(i) Communities should have greater biodiversity for greater stability.
(ii) It should be able to prevent invasion by alien species.
(iii) It should be able to restore itself in a short period of time.
(iv) Variations should be minimal in the community.
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XII BOARDS PREVIOUS YEAR-XII BOARDS-SECTION-B
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