The first is an presentation by Alex Liu, the sound suffers from some unfortunate interference, still the talk is well given and worth hearing out. The second features Calla Carbone at 2016 Royal Tyrrel Museum speakers series, while she reinforces Liu's message, she also expands with further insights into early ecological community development and the varied environmental niches that appeared. She's a bit nervous, but considering she was a newly minted Masters at this point, it's an outstanding talk. This is followed by an audio of a fascinating BBC Our Time Podcast conversation hosted by Melvyn Bragg with guests Martin Brasier, Richard Corfield and Rachel Wood.
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The Ediacaran Biota and the development of modern marine ecosystems
