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