Episode 100 - The Ediacaran Biota

Welcome to Episode 100! Today's special episode will be a deep dive into the world of the Ediacaran biota. We'll explore the early days of the Ediacaran, and the changing world that would give rise to the earliest animal-like organisms. Then, we'll follow their evolution through the Avalon, the White Sea, and the Nama time periods to see how this Ediacaran life evolves, diversifies, and eventually responds to the presence of new forms in the early Cambrian. In this way, we will learn how the Ediacaran biota set the stage for all animal life that would follow after them.
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[@balazsvarga1823]

A few pictures of the fossils would be great to go along when you mention their names, for those less versed in biology.

[@Freshline_]

Really amazing podcast, thank you, there is no ressource available on the internet that summarize the ediacaran as well as this one

[@FRXable]

Thanks for this informative podcast. I've learned quite a bit on this fascinating and very important chapter in life. This period deserves a lot more attention.

[@AnthonyArena-g7l]

It's sad that so many people HATE the Avalon explosion and Ediacaran biota, especially all those creatures that do not have bilateral symmetry but instead have glide reflection opposite isometry, and the 5-point symmetry. Some don't hate the 5-points as much because they can associate them to the starfish of today, but they get very irate about how Charnia, which at first glance appears to be related to sea pens, actually cannot be, because Charnia has opposite isometry while Sea Pens have bilateral symmetry. Nothing alive today has opposite isometry, which makes people enraged when trying to identify the descendants of these organisms. I think these people who are hating on these creatures, and wishing they never existed, and even at the most extreme end calling for the destruction of all existing fossils of them (as if they are the Taliban, and these fossils are the Bamiyan Buddhas) serves no useful purpose. I've even heard one person exclaim that the ediacaran biota represents a fraud perpetuated by Lucifer, the devil, who is trying to decieve people into believing the ediacaran biota actually existed by "planting" these "hoax" fossils throughout the globe to try to trick people into believing the world wasn't created only ten thousand years ago at most. You just can't talk to these people. I have nothing against religion, per say, but when they're claiming they'd be doing the world a favor by planting bombs in fossil beds to destroy all traces of this prehistoric world, is nuts. However one defines the border between sane and insane, this falls beyond that border.

[@moritamikamikara3879]

I have never encountered any of these people.
Most people who are obsessively religious enough to get that fervent about it aren't particularly interested in real biology and usually don't know about the Ediacaran biota

[@asdfasdf-dd9lk]

Good god where are you finding people interested enough to know of the existence of the Ediacaran biota, and angry enough to be so irate about it?

[@AnthonyArena-g7l]

@@asdfasdf-dd9lk one place is the website "Christ In The Classroom: The Bible and Paleontology" by Arthur V Chadwick, where you may read "One alternative view attributes the impressions in Precambrian rock to inorganic processes and attributes all living organisms to The Bibical account of Creation. The Ediacaran fossil forms and other examples of presumed Precambrian metozoa are within the uppermost sediments of the Precambrian. If these turn out to be the remains of living organisms, ...they could easily be accommodated...as buried during the prediluvial period." - that's one of the more generous ones that's basically claiming these Ediacaran fossils are probably not the impressions of living things, but if they are, they were buried before or during Noah's flood. Then there are the more drastic messages you may read on message boards like Reddit and Quora, where they talk to each other about Satan planting fossils in fossil beds "to mislead humans into thinking evolution was real." And then they comment back and forth to each other about how they'd like to destroy the devil's work. Because you asked, I went back to look for some of those comments to specifically quote them accuractely and cite them directly but the worst ones seem to have been taken down now. (Probably because they were inciting vandalism!) But some of those comments that just claim fossils are a trick of Satan, without the call for thier destruction included, are still up there, if you want to Google them.

[@amandae5165]

UA-cam 😁

[@connorc9769]

This is my lifeline rn 😭 only complaint is that I wish it were longer

[@BiologicPodcast]

Extra long special episode coming out next month, hang tight!

[@connorc9769]

@BiologicPodcast OMG?

[@ITouchTheEastStar]

🎉 happy 100, this will take a few sittings 😂

[@tomapply7476]

Your lessons have been very insightful and useful

[@karencreighton7939]

I think becoming a sessile filter feeder is my new career goal.

[@duhduhvesta]

Thank you

[@filipesiegrist]

Thanks for the video

[@JENKEM1000]

Curveball time: cnidarian and ctenophore larvae are bilaterally simmetrical

[@Raydensheraj]

I absolutely love the Ediacaran... literally any fossils before the Dinosaurs took over.

[@ClimateScepticSceptic-ub2rg]

We have a video with no visuals: how disappointing.

[@NeidlichesSchwert]

This content is interesting enough to not need your goofy over-dramatized narration.

[@loldiers3238]

*non-avian dinosaurs

[@risunokairu]

Still don't get these people who try to argue kimberella isn't a stem mollusk. 🦪