Which among the following is incorrect about chordates?
A. They must have notochord at every point of their life
B. They have a post anal tail
C. They have hollow dorsal nerve cord
D. They have a ventral heart
Answer:A
Which among the following is incorrect about chordates?
A. They must have notochord at every point of their life B. They have a post anal tail C. They have hollow dorsal nerve cord D. They have a ventral heart