Question

Connecting link between Annelida and Arthropoda is:

• A. Limulus
• B. Peripatus
• C. Tubifex
• D. Enterobius

Answer 1

Answer:

B. Peripatus

Connecting link An organism that has characteristics of two different groups of organisms is called a connecting link. Peripatus is an important example of morphological and anatomical evidence of evolution. Peripatus is a primitive arthropod that has characteristics of both Annelida and Arthropoda: Annelida: Peripatus has a segmented body, thin cuticle, and parapodia-like organs. Arthropoda: Peripatus has an open circulatory system, tracheal respiration, jointed legs, appendages, and compound eyes.