Search Results: "Porifera"

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• 11:31 Popular

  Simple Animals: Sponges, Jellies,&Octopuses - Crash Course Biology #22

  832 views / 0 likes - added 9 years ago

  Hank introduces us to the "simplest" of the animals, complexity-wise: beginning with sponges (whose very inclusion in the list as "animals" has been called into question because they are so simple) and finishing with the most complex molluscs, octopuses a

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