Episode 91 - Frogs

The Common Descent Podcast

Common Descent

Science, Education, Natural Sciences, Earth Sciences, Science:natural Sciences

4.8 • 896 Ratings

🗓️ 12 July 2020

⏱️ 110 minutes

🔗️ Recording | iTunes | RSS

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Summary

Roughly nine out of ten living amphibian species are frogs. They’re incredibly diverse and successful, and they have been since the Jurassic Period. But the origins of frogs and their fellow modern amphibians is shrouded in mystery. In this episode, we discuss what makes frogs special, what their fossil record looks like, and what paleontologists know and don’t know about the earliest evolution of modern amphibians. In the news: colorful insects, salamander evolution, saber-toothed marsupials, and venomous caecilians? Time markers: Intro & Announcements: 00:00:00News: 00:04:30Main discussion, Part 1: 00:36:00Main discussion, Part 2: 01:11:00Patron question: 01:41:00 Check out our blog for bonus info and pictures:http://commondescentpodcast.wordpress.com/ New merch at the Common Descent Store! http://zazzle.com/common_descentFeaturing art by Rob Soto! https://www.rob-soto.com/ Follow and Support us on: Patreon: https://www.patreon.com/commondescentpodcast Twitter: https://twitter.com/CommonDescentPCFacebook: https://www.facebook.com/commondescentpodcastInstagram: @commondescentpodcast PodBean: https://commondescentpodcast.podbean.com/ iTunes: https://itunes.apple.com/us/podcast/the-common-descent-podcast/id1207586509?mt=2YouTube: https://www.youtube.com/channel/UCePRXHEnZmTGum2r1l2mduw The Intro and Outro music is “On the Origin of Species” by Protodome. More music like this at http://ocremix.org. Musical Interludes are "Professor Umlaut" by Kevin MacLeod (incompetech.com). Licensed under Creative Commons: By Attribution 3.0http://creativecommons.org/licenses/by/3.0/

Transcript

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0:00.0	You're listening to the Common Descent Podcast.
0:18.2	Heidi ho, Will.
0:19.9	Heidi ho, David. And Heidi ho, everybody. Heidi ho, David.
0:21.1	And Heidi ho, everybody.
0:23.2	Welcome to Common Descent Podcast episode 91.
0:26.7	This episode, we are discussing frogs.
0:30.0	Frogs.
0:30.9	We have done lots of episodes about lots of different taxa groups of living organisms,
0:35.4	and we have not once done an amphibian dedicated episode so far.
0:41.5	Much to the chagrin of numerous listeners.
0:43.6	So many people.
0:45.5	This is it, folks.
0:47.3	We're doing it.
0:48.5	In this episode, we are going to discuss what frogs are.
0:52.1	The features frogs share, their modern diversity and impact,
0:56.0	and then we will take a trip and to discuss not just frog origins, but we'll expand a little
1:02.3	and discuss amphibian evolution a bit, since these are intro amphibians.
1:07.0	And we'll take a trip through the fog fossil record a bit to hit some of the highlights.
1:12.0	This topic, Frogs specifically, was requested by two listeners, Jake and Cody, and the broader
1:19.4	subject of amphibians and amphibian evolution has been requested by patrons Thomas, Mark, and Francis,
1:32.0	plus Brian and Jay, and somebody who was on,
1:34.4	I think this is one of our Q&As. Oh, right, right, right.
	...

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