When is an organism not an organism? Or, when is it a bunch of different organisms living together? SciShow introduces you to the weird world of siphonophores.

Hosted by: Michael Aranda
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Sources:
http://dunnlab.org/assets/Dunn_2009.pdf
http://dunnlab.org/assets/Dunn2005_Ba...
http://www.siphonophores.org/index.php
http://www.wired.com/2014/08/absurd-c...
http://dictionary.reference.com/brows...
http://www.scientificamerican.com/art...