Form and Function in the Ascidiacea
Abstract:Adult ascidians compensate for their inability to move by the shape of the body, orientation of the siphons, structure of the pharyngeal wall, and consistency of the test. Many of these features appear to enhance the organism's capacity to use mechanical energy available in the environment to maximize its interactions with it. Many are convergent features occurring irrespective of phylogeny while others are major determinants of phylogenetic diversity in the Ascidiacea apparently effected by one or the other pressure for protection from predation or mechanical damage, and for feeding.
Document Type: Research Article
Publication date: September 1, 1989
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