Multiple ChoiceWhich chordate characteristics are present in a sea squirt (tunicate) during its larval stage?43views
Multiple ChoiceWhich of the following chordate traits appeared first in evolutionary history?358views
Multiple ChoiceWhich trait is shared by all vertebrates except cyclostomes at some point in their development?381views
Multiple ChoiceWhich of the following chordates is most likely to look the least like other chordates?479views
Multiple ChoiceWhich of the following are the four key features that characterize all chordates?611views
Multiple ChoiceIn which type of chordate is the spinal cord surrounded by a backbone composed of cartilage or bone?68views
Multiple ChoiceWhich of the following is NOT one of the four key derived characteristics shared by all chordates at some stage of their life cycle?67views
Multiple ChoiceWhich of the following is NOT one of the five key characteristics of chordates?486views
Multiple ChoiceVertebrates are distinguished by the possession of which of the following structures?625views