Homework Answers
Cephalochordata - They are chordates with all 5 synapomorphies the characteristics all chordates have during the larval or adulthood stages. These synapomorphies are:
- notochord,
- dorsal hollow nerve cord,
- endostyle,
- pharynx, and
- post-anal tail.
Vertebrata : They are chordates with all characteristics as an adult .
vertebrates have the same common features: a notochord, a dorsal hollow nerve cord, pharyngeal slits, and a post-anal tail. Vertebrates are further differentiated from chordates by their vertebral column, which forms when their notochord develops into the column of bony vertebrae separated by discs.
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