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. 2020 Oct 21;10:17916. doi: 10.1038/s41598-020-73544-9

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© The Author(s) 2020

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Number variation of anatomical entities in each developmental stage. Graph and matrix showing the variation in number of anatomical entities during development (Stages in abscissa), from Stage 0 (unfertilized egg) to animal death. Yellow columns refer to cellular or structural level entities associated to the embryo/larval life (88/203), red columns refer to cellular or structural level entities associated to the juvenile/adult life (93/203) and blue columns refer to cellular or structural level entities (22/203) persistent in both biphasic life. Jv: Juvenile Period; 2nd: 2nd Ascidian Stage; adult: Adult Stage; Death: Animal Death.