Sources:

-Ascidiacea World Database - www.marinespecies.org/ascidiacea/
-Goodheart’s Extreme Science – www.goodheartextremescience.wordpress.com
-Plankton Portal – www.blog.planktonportal.org
-The Tree of Life - www.tolweb.org
-The Variety of Life, Colin Tudge, 2000
-Vimeo – www.vimeo.com
-Wikipedia –  www.en.wikipedia.org

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

Some rights reserved. This work is licensed under a Creative Commons Atribution-NonCommercial-Share Alike 3.0 License.

You can watch more of Álvaro García´s artistic work at http://viuh.deviantart.com