Go to the Quizzes Page The Chordates 0% 36 Created by AbuBakrShalabi Please write your name and email to receive your certificate. 1 / 14 In humans, the backbone takes the place of the notochord and the spinal cord takes the place of the ................ pharyngeal pouches epidermis tailbone nerve cord 2 / 14 Both flatworms and roundworms have _____. radial symmetry bilateral symmetry asymmetry 3 / 14 At some stage in their lifetime, all chordates have............... common traits. 3 6 5 4 4 / 14 This part of the human body replaces the ..................... found in other chordates. tail nerve cord notochord pharyngeal pouch 5 / 14 What feature found in all chordates runs from one end of the body to the other? the tail the pharyngeal pouches the nerve cord the notochord 6 / 14 Which structure supports the body of a developing chordate? pharyngeal pouches nerve cord tail notochord 7 / 14 Which of the following represents invertebrate chordates? tunicates sharks lampreys snakes 8 / 14 The highlighted area on this illustration of a lancelet shows which of the four traits of chordates? tail pharyngeal pouch nerve cord notochord 9 / 14 Which of the following chordates are also vertebrates? Lampreys, Lancelets, Amphibians Fish, Birds, Reptiles, Mammals Fish, Amphibians, Lancelets Tunicates, Sea squirts, Lancelets 10 / 14 The phylum Chordata is the only one of the nine phyla that include ..................... arthropoda echinoderms invertebrates vertebrates 11 / 14 What is the name for the structures located on either side of a chordate's throat? notochords pharyngeal pouches nerve cords the tail 12 / 14 What feature of chordates extends behind the animal and has different uses in different species? nerve cord pharyngeal pouches notochord tail 13 / 14 Which structures do all chordates have at some point during their life time? Pharyngeal slits, Head, Thorax, Tail Notochord, Gill slits, Tail Notochord, Hollow Nerve chord, Pharyngeal slits, Tail Hollow nerve chord, notochord, legs, wings 14 / 14 What is the flexible skeletal support rod? Dorsal Hollow Nerve Chord Endoskeleton Pharyngeal slits Notochord Your score is 0% Restart quiz Go to the Quizzes Page