"What caused the mass extinction of Earth's first animals?" Topic
8 Posts
All members in good standing are free to post here. Opinions expressed here are solely those of the posters, and have not been cleared with nor are they endorsed by The Miniatures Page.
Please be courteous toward your fellow TMP members.
For more information, see the TMP FAQ.
Back to the Prehistoric Message Board
Areas of InterestAncients
Featured Hobby News Article
Featured Link
Top-Rated Ruleset
Featured Showcase Article More figures for the 28mm Amazon army!
|
| Tango01 | 29 Aug 2018 9:55 p.m. PST |
"Fossil records tell us that the first macroscopic animals appeared on Earth about 575 million years ago. Twenty-four million years later, the diversity of animals began to mysteriously decline, leading to Earth's first know mass extinction event. Scientists have argued for decades over what may have caused this mass extinction, during what is called the "Ediacaran-Cambrian transition." Some think that a steep decline in dissolved oxygen in the ocean was responsible. Others hypothesize that these early animals were progressively replaced by newly evolved animals. The precise cause has remained elusive, in part because so little is known about the chemistry of Earth's oceans that long ago…."
Main page
link Amicalement
Armand |
 ochoin  | 30 Aug 2018 1:12 a.m. PST |
|
| Stryderg | 30 Aug 2018 6:00 a.m. PST |
According to the Far Side, it was smoking. |
| Tango01 | 30 Aug 2018 12:04 p.m. PST |
|
| Zephyr1 | 30 Aug 2018 8:21 p.m. PST |
"What caused the mass extinction of Earth's first animals?" The invention of BBQ sauce… |
| ochoin | 30 Aug 2018 11:16 p.m. PST |
|
| Cacique Caribe | 11 Sep 2018 5:55 a.m. PST |
Yeah. It must have been manmade Global Warming, I mean Climate Change. Everything is blamed on that these days. Dan |
| Cacique Caribe | 23 Sep 2018 3:15 p.m. PST |
Blamed on retroactively, of course. :) Dan |
|
