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Written by Ferris Jabr and read by Nezar Alderazi. Produced by Nicola Alexandrou. The executive producer was Ellie Bury
Mon 30 Sep 2024 00.00 EDT
Without plankton, the modern ocean ecosystem – the very idea of the ocean as we understand it – would collapse. Earth would have no complex life of any kind. By Ferris Jabr
![Natural Visions/Alamy](https://i.guim.co.uk/img/media/d1e1719d6c895b904333790f5def2a0d2e23fea0/0_150_5433_3259/master/5433.jpg?width=300&quality=85&auto=format&fit=max&s=4ce8e5fa5ed68fffafae5f0784178f85)
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