Episode 216 - Plankton

Just about every body of water on Earth, from oceans to puddles, is home to an ecosystem of tiny drifting organisms. This episode, we discuss what sorts of organisms we might expect to find in a swarm of plankton, we’ll explore how plankton is so fundamental to biological and geological systems on Earth, and we’ll take some time to lay out some of the many ways that ancient plankton are a crucial part of the fossil record. In the news: climbing reptiles, croc extinctions, Ashfall rhinos, and ankylosaur tracks. Time markers:Intro & Announcements: 00:00:00News: 00:05:40 Main discussion, Part 1: 00:35:15 Main discussion, Part 2: 01:23:00 Patron question: 02:00:30 Check out our website for this episode’s blog post and more: http://commondescentpodcast.com/ Join us on Patreon to support the podcast and enjoy bonus content: https://www.patreon.com/commondescentpodcast Listen to Will talk speculative evolution on the Nerd Trek Podcasthttps://open.spotify.com/episode/2NzdG8TMfwGLzpP8sKXHQA And listen to David talk de-extinction on the House of Podhttps://open.spotify.com/show/3z6EgP0BzaHQoXzCtxQ32t Support links:ACLU: https://www.aclu.org/ Got a topic you want to hear about? Submit your episode request here: https://commondescentpodcast.com/request-a-topic/ Lots more ways to connect with us: https://linktr.ee/common_descent 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 3.0 http://creativecommons.org/licenses/by/3.0

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Join David and Will as they explore the paleontologists’ perspective on various topics in life and earth history. Each episode features a main discussion on a topic requested by the listeners, presented as a lighthearted and educational conversation about fossils, evolution, deep time, and more. Before the main discussion, each episode also includes a news segment, covering recent research related to paleontology and evolution. Each episode ends with the answer to a question submitted by subscribers on Patreon. New episodes with new topics every fortnight!