The profound question of this title is not answered in these videos.
4 Animals That Don’t Have Resident Gut Microbiomes
SciShow
Mar 29, 2020
10:20
We humans couldn’t live without our gut microbes, but not all animals rely on microscopic digestive communities like we do. And understanding why these animals ditched their microbial partners can teach us a lot about the costs and benefits of making evolutionary friends. Hosted by: Michael Aranda
How Hyraxes Preserve the Past in Poo
SciShow
Mar 30, 2020
6:32
Scientists who piece together our past can do so through the rare fossil or artifact, or they can go to one convenient location: a hyrax latrine. Hosted by: Olivia Gordon
Hyrax poo. Olivia gets all the great topics.
