Multiple ChoiceWhich of the following chordates is most likely to look the least like other chordates?514views
Multiple ChoiceWhich of the following are the four key features that characterize all chordates?644views
Multiple ChoiceIn which type of chordate is the spinal cord surrounded by a backbone composed of cartilage or bone?83views
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?78views
Multiple ChoiceWhich of the following is NOT one of the five key characteristics of chordates?520views
Multiple ChoiceVertebrates are distinguished by the possession of which of the following structures?657views
Multiple ChoiceWhich characteristic is absent in tunicates and lancelets but is present in vertebrates?545views
Multiple ChoiceWhich animal can be classified as a tetrapod (a vertebrate lineage characterized by having four limbs or being descended from a four-limbed ancestor)?1views
Multiple ChoiceWhich of the following is a characteristic of all chordates at some point during their life cycle?554views
Multiple ChoiceIf an animal has segments, bilateral symmetry, pharyngeal clefts, a post-anal tail, and deuterostomic development, it must be a member of the __________. 983views