What is the difference between a mass extinction and a regular (background) extinction?(1 point) Responses Mass extinction occurs over a long period of time. Mass extinction occurs over a long period of time. Mass extinction involves many species over a short period of geologic time. Mass extinction involves many species over a short period of geologic time. Mass extinction is ongoing and is a regular process that results from evolution. Mass extinction is ongoing and is a regular process that results from evolution. Mass extinction can be caused by ecological factors like climate change and loss of habitat.

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The correct response that highlights the key difference between mass extinction and regular (background) extinction is: Mass extinction involves many species over a short period of geologic time.

Mass extinctions are characterized by the widespread and rapid loss of numerous species across various taxa, while background extinction refers to the normal, gradual rate of extinction that occurs as part of the evolutionary process, usually involving individual species over longer periods.