Which of the following is not a character of Chordata?
A. Dorsal tubular nerve cord
B. Pharyngeal gill slits
C. Presence of notochord
D. Presence of spinal cord
Answer:D
Which of the following is not a character of Chordata?
A. Dorsal tubular nerve cord B. Pharyngeal gill slits C. Presence of notochord D. Presence of spinal cord