Unique features of vertebrates include the presence of a(n) ______.Group of answer choicesendoskeletonnotochordtrue coelomskull and backbonepharyngeal slit

What animal has pharyngeal gill slits, notochord, dorsal hollow nerve chord, and post-anal tail?"Group of answer choicesAmphioxusRatFrogSnake

Members of this phylum are characterized by a dorsal, hollow nerve cord, a notochord, pharyngeal gill slits, and a postanal tail.Multiple choice question.MammaliaEchinodermataChordataAnnelida

Vertebrates are distinguished by the presence of aMultiple choice question.postanal tail.exoskeleton made of bone.vertebral column, or backbone.dorsal nerve cord.

Select all that applyWhich characteristics are absent in tunicates and lancelets but are present in vertebrates?Multiple select question.Enclosed dorsal nerve cordThree pairs of well developed sensory organsBrain encased in skullA postanal tail

When examining species, we can look at multiple aspects of the makeup of those organisms, from DNA to behavior. Any such feature that we examine is called a(n) Blank______.Multiple choice question.synapomorphysymplesiomorphycharacterhomoplasyancestral trait