Which of the following animals does not undergo metamorphosis ?
Moth
Tunicate
Earthworm
Starfish
As we learnt in
Retrogressive metamorphosis -
Change from better developed larva to less developed adult.
-
Metamorphosis refers to transformation of larva into adult.
Animal that perform metamorphosis are said to have indirect development.
In earthworm development is direct which means no larval stage and hence no metamorphosis.
Option 1)
Moth
This is incorrect.
Option 2)
Tunicate
This is incorrect.
Option 3)
Earthworm
This is correct.
Option 4)
Starfish
This is incorrect.