Respuesta :

Answer:

Measurement of life span

Explanation:

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genewho

The end of life for a group of organisms, usually a species, is called an extinction.

For biology and ecology extinction refers to the process of disappearance or cessation of all members of the same family or species.

A genus, clan or species is considered extinct when its last member dies and, therefore, that group ceases to exist.

  • During the long history of the planet there have been many extinctions caused by climatic changes, volcanism, floods, droughts.

  • The vast majority of flora and fauna extinctions are due to the direct or indirect impact of human activities.

Therefore, we can conclude that the end of life for a group of organisms, usually a species, is called an extinction.

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