Hemichordata and Chordata

*Your soul sister is a sea squirt?*

A.  Us (narcissism at its best)
            Notochord
            Dorsal nerve tube
            Gill slits
            Postanal tail

 B. Our soul brothers and sisters
        Phylum Hemichordata
        Phylum Chordata
            Subphylum Urochordata
            Subphylum Cephalochordata

Urochordates
C.  Larval versus adult form
        locomotion
        sensory
        digestive
        circulatory

D. Current research
         Evolutionary origins of the backbone
            Manx
        Chordates that can photosynthesize
        Kidney stones?
        AIDS

External features: Proboscis Stalk Collar Trunk External Gill Slits** Anus

Internal features: Dorsal hollow nerve cord Ventral nerve cord Gill slits Pharynx Stomochord (red) *** (no a notochord)

Syllabus Schedule Lessons
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