EEB267H1 Study Guide - Final Guide: Toyota Electronic Modulated Suspension, Salamandridae, Notochord
25 Jan 2016
School
Department
Course
Professor
Document Summary
Lab one: basal chordata: cephalochordata (lancelets, amphioxus) Oral hood, elongated cirri (tentacles), dorsal nerve cord, pharyngeal arches (gills slits), gonad, post anal tail: urochordata (tunicates) Larvae secret a house of mucous and cellulose interlaced with filters food items stick to the filters and are siphoned up. The filters become clogged very quickly and the house must be discarded and rebuilt large amounts of energy that are taken away from fecundity. 12 gill pores on each side of head. 7 gills pores on each side of the head gnathostomata (jawed fish) 1 covered gill slit on either side smooth. Single olfactory organ, tentacles around mouth for touch sensory. 2 pectoral fins, long and skinny dorsal and ventral fin that connect to caudal fin. True eel vs. dipnoi: lung fish always has anal fins (may be severely reduced), also more apparent, large scales. True eel: gymnophiona has costal grooves, lacks the obvious tentacles that a hagfish has.
