Help make Alexa smarter on Alexa Answers. Sign in with Amazon

Science

What was the first animal ever created?


According to a 2016 study, the bio-marker 24-isopropylcholestane (a type of cholesterol), has allowed scientists to determine that the oldest (and first known) animal on earth was a Sea Sponge, which was alive 640 million years ago in the Cryogenian period.

{{ relativeTimeResolver(1567359926907) }}

LIVE
Points points 1051
Rating

Similar Questions
Sign in to view all similar questions

Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world

LEARN MORE