Unformatted text preview: PEGS/Phallusia%20julinea%20Australia.jpg TUNICATE diversity: Ascidiacea TUNICATE TUNICATE diversity: Ascidiacea TUNICATE diversity: Ascidiacea http://www.ryanphotographic.com/ascidians.htm TUNICATE diversity: Ascidiacea TUNICATE diversity: Ascidiacea
Megalodicopia hians: only free living carnivorous sea squirt. TUNICATE diversity: Thaliacea 1) Free floating through out entire life span 2) Filter feeders 3) Movement by jet expulson of water from siphon TUNICATE diversity: Appendicularia or Appendicularia Larvacea 1) 2) Solitary Free swimming throughout life cycle 3 ) Morphology resembles ascidian tadpole larva with trunk and tail 4 ) Notochord 5) Dorsal nerve chord UROCHORDATES (Tunicata): adult body plan traits 1) Lack of segmentation 2) Coelom reduced to pericardial cavity and gonads 3) Most organs enclosed by epicardium which is surrounded by mesenchyme Ascidians: basic body plan traits of adult stage
1. Integument: The 1. internal anatomy of ascidians is surrounded by a body wall made up of fibers and a carbohydrate known as tunicin. This body wall is called a tunic and h...
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- Winter '08
- Phylogeny, Tunicate, Ascidiacea, Ciona intestinalis, Hemichordata, TUNICATE diversity