Correct Answer - C
All the given animals except earthworm undergoes metamorphosis. Earthworrn exchibits direct development where no larval stage is involved.
Metamorphosis is usually seen in animals exhibiting indirect deveļopment, involving a larval stage which later transformed into an adult.
Larval form of moth is caterpillar and that of tunicates is tadpole. In starfish, bipinneria larva occurs.