Social death

Japanese: social death(英語表記)socialdeath
Social death


[Death in Living Things]
Death is the breakdown of the orderly and controlled form and function of a living system. Originally, it is a concept referring to the loss of life of an individual organism, but it can also be applied to species and populations, as well as systems such as organs, tissues, cells, and protoplasm. Death from old age, that is, surviving to the end of one's lifespan, is rare in nature, with most individuals dying from external factors such as predation, disease, starvation, weather, and accidents. If you record the ages at the time of death of individuals from a group of organisms born at the same time and draw a curve, you can obtain the following three types of curves:

*Some explanations of terms that mention "social death" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:


【生物における死】
 死とは,生体系の秩序ある制御された形態と機能が崩壊することである。本来は生物個体が生命を失うことの概念であるが,種・個体群や器官,組織,細胞,原形質などの系についても考えられている。老衰による死,つまり寿命が尽きるまで生存する個体は自然ではまれで,多くの個体は捕食,病気,飢餓,気候,事故などの外的要因で死亡する。同じときに生まれた生物の集団の個体の死亡時の齢を記録して曲線を描くと,次の3種類の曲線が得られる。…

※「social death」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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