Thursday, December 8, 2022

The new tree of eukaryota

Everyone knows life on Earth consists of bacteria and everything-else; if they're real replyguys they know to quibble about bacteria and archaea. Everything-else, the eukaryotes, are divided into plants, animals-and-fungi, and everything-else. Since 2019 though we've been rewriting that tree: some of the animals-and-fungi have been shuffled to their own branch, animals-and-fungi share ancestry with amoebae - that sort of thing.

Lately a new branch is added: Provora. Best I can tell they behave like amoebae inasmuch as they are microbes which exist to feed upon other microbiota. Closer to home placozoa are now likened to Knids (jellyfish) and to us with the bilateral-symmetry.

To play the replyguy myself, I must say that AMNH has done much better to explain all this than New Atlas did. Michael Irving needed an editor which he didn't get.

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