Sea Sponge; photo by Dimsis cc-by	Comb Jelly; photo by NOAA cc-by	Velvet Worm; photo by Ggalice cc-by

Sources:

-The Tree of Life - www.tolweb.org:
-The Variety of Life, Colin Tudge, 2000

Citation: García, A.I. 2015. The Tree Of Nature (Online) at http://thetreeofnature.com

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