BIO 3102 : CROSSWORD.docx
Document Summary
Protochordates crossword: slits in this are one of the chordate characteristics. Pharynx: phagocytic digestion of ingested food occurs in this cephalochordate cecum. Larval: he proposed the most widely accepted version of how the vertebrates arose. Garstang: the only type of fin found in a cephalochordate, lancets don"t have one of these in their circulatory system. Two: the collar of a hemichordate acorn worm is formed from this coelomic space. Mesocoel: in acorn worms (hemichordata) the protocoel forms this structure, common name for a cephalochordate. Siphons: these slits help to separate food from ingested water prior to passing the food into. Pharyngeal the digestive system: like cnidarians and echinoderms, this best describes the organization of the nervous. Net system in hemichordates: describes the structure of the chordate nerve cord, position of the nerve cord relative to the notochord in a lancet, another way of describing post anal segmentation.
