Repost an posts from 8/2 chan that stuck with you. Preferably with an archive link, but that isn't obligatory. Starting off on my end with two posts about fungal extinctions. I've a passing interest in fungi and realizing they might be still responsible for mammalian dominance as the larger mammals is astounding. Before this I was aware of pathogen fungi as athelete's foot, ergot, and black mold had no idea they could be have been this dangerous. https://desuarchive.org/an/thread/4153806/#4158990 https://desuarchive.org/an/thread/4404183/#4406478 Closely related is the Sacchalina and Wolbachia among crustaceans. These aren't fungi but rather a barnacle and bacteria respectively, but effectively castrate and feminize afflicted male crabs, as well sterilizing female crabs. Sacchalina itself is fascinating, this is a barnacle, which starts its life motile, before finding a fitting host, losing the majority of its biomass and size and living entirely as a parasite within its host. Evolution does not necessarily favor greater complexity but rather whichever organism best succeeds in passing its genes to future generations. In this case an endoparasite. https://desuarchive.org/an/thread/4859860/