Peripatus is a connecting link between:
Mollusca and Echinodermata
Annelida and Arthropoda
Coelenterata and Porifera
Ctenophora and Platyhelminthes
Peripatus is the link between annelids and arthropods. Some annelid features of
Peripatus are:
1. Thick cuticle present.
2. Simple eyes exist.
3. The body is pseudo-segmented and worm-like.
4. The excretory organ is the kidney.
Some characteristics of the arthropods of Peripatus are:
1.the presence of antennae.
2. The trachea is the respiratory organ.
3. Presence of claws and pseudo-segmented walking legs.
Hence, option 2 is correct.