Organs are a distinct structure made of multiple tissues. So if this thing is just a few layers of tissue, then you can make the argument that the whole creature is essentially a single-organ organism.
Truth be told, I suspect there is a certain amount of hyperbole in the infographic.
It truly has one hole, in that it eats, has a digestive sack, and then vomits the poop
https://en.wikipedia.org/wiki/Xenoturbella
Kinda like a 2 stroke engine. The fuel and the exhaust all just mix.
It’s gross, but I can’t see any reason this disqualifies it from being on the tree of life.
have had norovirus, know that feel
If the hole doesn’t go through, it is only a pocket, typographically identical to a plate.
*topologically
(Typography is text font stuff)
maybe they meant
O
As in “topographically”, which specifically refers to land surfaces?
Edit: For the record, each of the following refers to a completely different thing:
Meh. I’ll own my mistake. Silly autocorrect
Well we’re just doughnuts.
Why is the digestive sack not an organ?
Organs are a distinct structure made of multiple tissues. So if this thing is just a few layers of tissue, then you can make the argument that the whole creature is essentially a single-organ organism.
Truth be told, I suspect there is a certain amount of hyperbole in the infographic.