The erosive process that reduces the size of glaciers.Surgical removal of a body part or tissue.Damage and removal to part of an organism either in part or in whole. Ablation can be promoted by an organisms internal functions, and sometimes this is done for the greater safety of the organism. In plants, a natural defence mechanism is to remove infected areas of the plant via abscission, which can be promoted in the presence of abscisic acid.
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