Question

make pairs-peripatus,presence of mammary gland,open circulatory system,platyus​

Answer 1

Answer:

Connecting link: It refers to  organisms which show characteristics related to two different groups.  

For example, Peripatus is considered a connecting link between Annelida and Arthropoda. It has characteristics like segmented body, thin cuticle and parapodia-like organs which are similar to annelids. It also shows tracheal respiration and open circulatory system which is similar to arthropods. Another example is duck billed Platypus which is a connecting link between reptiles and mammals as it lays eggs like reptiles and has mammary glands like mammals.

Explanation:

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