EEB267H1 Study Guide - Midterm Guide: Olfaction, Clasper, Actinopterygii

• School: UTSG
• Department: Ecology & Evolutionary Biology
• Course: EEB267H1
• Professor: Deborah Mc Lennan

Document Summary

Cephalochord ata lanceletes marine notochord runs to the anterior tip of the head suspension feeders, cirri and cilia involved. Myxiniformes hag sh marine i. a heart that reverse the direction of its beating every few mins the present of cellulose in the tunic(body covering) slime glands(99. 9% sea water+0. 0015 mucins+0. 00. 2% long, very strong slime protein threads: knot behaviour. Petromyzontif ormes lamprey eel" some marine but spawn in freshwater (anadromous. ); some completely freshwater suspension feeders predators, opportunistic scavengers (can absorb aa from the decaying animals directly across their skin/gills); near shore species also feed heavily on chemotropic bacterial mats external parasites on. Shes; opportunistic predators on invertebrate; scavengers; some don"t feed at all as adults single photorecpt ive eye; lost genes when adult slight metamorphosis; adults hermaphrodites. , release eggs and sperm into water column free-swimming, non-feeding, short-lived larvae with all 3 chordate syn and pharyngeal slits which undergo huge metamorphosis tongue has.