Throughout the 3.5 billion year history of life on the earth,there has been a natural,low rate of species extinction know as ____.

Question

Quizplus · Accepted Answer

The given definition of a "natural, low rate of species extinction" describes the background extinction rate, which is the normal rate at which species disappear due to natural selection, predation, disease, and other environmental factors. Mass extinction refers to a large-scale loss of many species in a short period of time, while biological extinction is the complete eradication of a species. Secondary extinction and tertiary extinction are not commonly used terms in ecology or biology.