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- Compare and contrast the 5 major extant groups of actinopterygii: 1.polypteriformes 2.chondrostei 3. lepisosteida 4.amiidae 5. teleosteiMatch the following groups under Phylum annelida to the following characters: Match each item to a choice: Branchiobdellida Hirudenea Acanthobdellida Oligochaeta Polychaeta Choices: : Loss of remaining setae; 34 metameres : Anterior body sucker; 15 metameres : Presence of clitellum; but without superficial annuli E Posterior body sucker; 30 metameres : Parapodia; complex headAside from ecdysis, describe two (2) common characteristics shared by the different smaller phylum under Ecdysozoa: Kinorhyncha, Priapulida, Nematomorpha.
- Define the following with respect to gastropods: operculum, torsion, fouling, bilateral asymmetry, rhinophore, pneumostomeidentify the distinguishing characteristics of the phylum Cnidaria.Describe the three in this phylum and give an example of each class. class being : Hydrzoa Anthozoa ScyphozoaTo what subphylum does this animal belong? Chordata Vertebrata Agnatha Gnathostomata Elasmobranchii
- Distinguish the following from each other: statocyst and rhopalium; scyphomedusae and hydromedusae; scyphistoma, strobila, and ephy-rae; velum, velarium, and pedalium; Hexacorallia and OctocoralliaIdentify and label the parts of the following specimens of Phylum Nematoda:Which of the following is not a member of the phylum Chordata? a. Cephalochordata b. Echinodermata c. Urochordata d. Vertebrata
- Members of Chondrichfhyes are thought to be descended from fishes that had. a cartilaginous skeleton a bony skeleton mucus glands slime glandsform a phylogentic tree with the following clades: Anaspida Heterostraci Iniopterygiformes Neoselachii Osteostraci Thelodonti Antarchia Arandaspida Arthrodira Astraspida Cheirolepis Cladoselache Cyclostomata Dipnomorpha Haikouichthys Chondrichthyes Gnathostomata Osteichthyes Placodermiform a phylogentic tree with the following clades: Anaspida Heterostraci Iniopterygiformes Neoselachii Osteostraci Thelodonti Antarchia Arandaspida Arthrodira Astraspida Cheirolepis Cladoselache Cyclostomata Dipnomorpha Haikouichthys Chondrichthyes Gnathostomata Osteichthyes Placodermi Vertebrata (Crown)