An event in which most species on Earth abruptly go extinct is a called a(n) __________.

🎲 Try a Random Question  |  Total Questions in Quiz: 10  |  🧠 Study this quiz with Flashcards
This question is part of a full practice quiz:
High School Biology: From the First Organism Onward (Fill in the blank) — practice the complete quiz, review flashcards, or try a random question.


1. An event in which most species on Earth abruptly go extinct is a called a(n) __________.