Question

did you know something about the mass extinction ​

Answer 1

Respuesta:

A mass extinction is a type of terminal extinction in which 10% or more of the species disappear without descendants over a year, or 50% or more of the species in a period between one and three million and half years, 1 when, at normal times, extinctions occur at a rate of between two and five biological families of marine invertebrates and vertebrates every million years. Since life began on Earth, five events have been detected in the Phanerozoic eon, after which more than half of the existing species have become extinc

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Answer 2

Respuesta:

Positivo;; Yes, I did. I knew that a mass extinction is a type of terminal extinction in which 10% or more of the species disappear without offspring over a year, or 50% or more of the species in a period between one and three million and half years.

Negativo;; No, I didn't. I didn't know about that.