At retrogressive metamorphosis the urochordate larva

Options

A. Loss notochord
B. Loss tail
C. Experience reduction of nervous system to a visceral genglion
D. All of the above

Answer

D

Explanation

Retrogressive metamorphosis shown by the larva i.e. change from better developed larva to less developed adult lie loss of notochord, tail, reduction of nervous system to a visceral ganglion.