Meaning of Extinction

What is Extinction:

As extinction is called the action and effect of extinguishing or becoming extinct. In this sense, it refers to process of disappearance or cessation of certain things.

The word, as such, comes from the Latin extinct, exstinctioniswhich would mean action and effect put out a flame. Hence, the concept of extinction can be used to refer to various matters such as, for example, the extinction of a fire, a sound, a life, an affection, a term, etc.

extinction in biology

For Biology, extinction means the disappearance of all members of a species. In this sense, a species can be considered extinct from the moment its last living specimen dies.

Among the causes that can cause the extinction of a species is the inability to adapt to the new conditions imposed on an environment such as the endemic species more vulnerable to changes, either due to environmental changes or due to the appearance of a new, stronger species, as was the case with the dodoa bird from the island of Mauritius extinct by human action.

See also:

In general, a species becomes extinct during the first ten million years from its appearance, however, there are some that exceed this period and even live hundreds of millions of years without major changes, such is the case, for example, from Cockroach, which is approximately 300 million years old. However, extinction is a natural phenomenon; in fact, it is believed that 99.99% of the species that have existed on Earth are extinct.

mass extinction

What mass extinction is called the event of mass disappearance of a large number of species within a given period of time. The most recent mass extinction of which there is news is the one that occurred between the Cretaceous and Tertiary periods, 65 million years ago, as a consequence of the impact of an extraterrestrial object on the planet, according to the most accepted hypothesis. This event caused the disappearance of approximately 75% of the living beings on Earth (dinosaursflying and aquatic reptiles, etc.).

You may be interested:  Meaning of Electron

domain extinction

In MexicoWhat domain forfeiture is called the legal concept through which the State has the legal power to confiscate from a citizen the movable or immovable property that has been used for the commission of a serious crime, such as kidnapping, extortion or drug trafficking. In this sense, the extinction of domain formalizes, in Law, the possession of these assets by the State and establishes the uses and disposition that it can make of them.

Extinction in Linguistics

Linguistics considers as extinction of a language the death of the last speaker who acquired it as a mother tongue, regardless of whether it continues to be spoken as a second language, or whether it remains as a language of study or liturgy, as is the case with Latin. Extinct languages ​​are also often referred to as dead languages.

Extinction in Psychology

Psychology considers as extinction the process by which a behavior is tried to decrease or disappear altogether.