In this article we will discuss about the structure of Sea Mouse (Aphrodite) with the help of a diagram. 1. Marine animals commonly called "Sea mouse" and found buried in the muddy, bottoms of the sea. 2. Body elliptical and bears a distinct head. 3. Triploblastic, bilaterally symmetrical, metamerically segmented and coelomate animals. 4. The head bears a pair of [...]
In this article we will discuss about the structure of Arenicola with the help of a diagram. 1. It is a brownish green burrowing and tubiciolous marine polychaete. 2. Commonly called ‘lug worm’ and is found in muddy regions along Mediterranean and turopean shores. 3. It forms "U" shaped burrows which are lined internally with mucous. 4. Body cylindrical, vermiform, [...]
In this article we will discuss about the structure of Chaetopterus with the help of a diagram. 1. They are marine, tubicolous and burrowing worms. 2. The tubes are "U" shaped and are lined with thick mucous secreted by the animal. 3. Body is about 20—30 cm in length and is divisible into an anterior, a middle and a posterior [...]