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Clade Chordata (Body System (Lancelets filter feed and have a complete…
Clade Chordata
Body System
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Urochordates have a small "brain" (neural ganglion) connected to various other ganglia by nerve cords
Urochordates have no respiratory or excretion organs -- individual cells exchange gases and nitrogenous waste with the water inside or outside the body by diffusion
Taxonomic Division
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Phylum Tunicata (sea squirts, tunicates)
Sac-like,filter-feeding chordates with a tadpole larva that has ALL five chordate characteristics, lack a cranium
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