21 September 2015

GATE Architecture/Planning 2016

Question: The tendency of an ecosystem to maintain its balance by regulatory mechanisms when disrupted, is     known as

   (A) Homeostasis          (B) Entropy                  (C) Succession                         (D) Evolution

            Answer (A): Homeostasis

o    Homeostasis: The tendency of an ecosystem to maintain its balance by regulatory mechanisms when disrupted.
o    Entropy: Nature tends from order to disorder in isolated systems.
o    Ecological succession: The observed process of change in the species structure of an ecological community over time.
o    Evolution: The change in the inherited characteristics of biological populations over successive generations.

o    Ecotone: Interface of two ecological zones.

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