32. Vertebrates

If an animal has segments, bilateral symmetry, pharyngeal clefts, a post-anal tail, and deuterostomic development, it must be a member of the __________.

A __________ is a chordate but not a vertebrate.

Which of the following chordate characteristics contributes most to the formation of your ears?

Which of the following chordate characteristics contributes most to suspension-feeding devices in many invertebrate chordates?

Vertebrates and tunicates sharea. jaws adapted for feeding.b. a high degree of cephalization.c. an endoskeleton that includes a skull.d. a notochord and a dorsal, hollow nerve cord.

True or false? Both echinoderms and vertebrates have endoskeletons. Explain.

Living vertebrates can be divided into two major clades. Select the appropriate pair.a. the chordates and the tetrapodsb. the urochordates and the cephalochordatesc. the cyclostomes and the gnathostomesd. the marsupials and the eutherians

What trait(s) characterize the vertebrates?a. vertebrae and a craniumb. jaws and a spinal cordc. bony endoskeletond. notochord and post-anal tail