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Into the meat grinder!
(mander.xyz)
A place for majestic STEMLORD peacocking, as well as memes about the realities of working in a lab.

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Not an animal
Honest question. How is that sponge an animal and how is "animal" defined? If we grind something through a sieve and it reassembles surely the lifeform can't be too complicated.
Animals are members of kingdom Animalia. One of the unify features of this kingdom is multicellularity. Slime molds are members of the mostly-single-celled protists and they themselves are some of the most complex single celled organisms. Sponges, being very basal animals, are one of the phyla that retains a high degree of regenerative ability that simplicity facilitates while being very much a multicellular organism with all the organization that comes with.
Thank you.