Question

what is retrogressive metamorphosis ?

Answer 1

Hi,
It is a type of metamorphosis in which larva shows more advanced characters then adults....
For example---in echinoderms the larval stage shows bilateral symmetry (advanced character) while adults show radial symmetry...hence it shows retrogressive metamorphosis....

Hope it helps you buddy...

Answer 2

Answer:

Change from better developed larva to less developed adult is known as retrogressive metamorphosis.

It is seen in urochordates.

Examples:-

• Herdmania
• Ascidia