Biology, asked by lucyheflin0, 11 months ago

How many mass extinctions have there been in the past 500 million years?

Answers

Answered by shresth1436

Answer:

five mass extinctions

Since the first organisms appeared on Earth approximately 3.8 billion years ago, life on the planet has had some close calls. In the last 500 million years, Earth has undergone five mass extinctions, including the event 66 million years ago that wiped out the dinosaurs.

Answered by annarj0418

Answer:5

Explanation:

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