___________ is a connecting link between annelida and arthropoda.

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Solution

The connecting link between Annelida and Arthropoda:
A connecting link is an organism that possesses traits from two distinct groups of organisms.
Peripatus acts as a connecting link between Annelida and Arthropoda.
Peripatus belongs to the phylum Onychophora.
It possesses some arthropod characteristics such as the presence of joint paired legs, compound eyes, and tracheas, but it also has Annelida traits like a worm-like segmented body, non-chitinous cuticle, and segmental nephridia.
The body of Peripatus has features that are comparable to those seen in annelids and arthropods.
Final answer: Peripatus is a connecting link between Annelida and Arthropoda.

Suggest Corrections

Column I (Organism)	Column II (Connecting link)
A. Echidna	1. between Annelida and Mollusca
B. Peripatus	2. between Reptiles and Mammals
C. Neopilina	3. between Annelida and Arthropoda
D. Protopterus	4. between Pisces and Amphibian