In this article we will discuss about the structure of Chiton with the help of a diagram. 1. It is a marine animal of cosmopolitan distribution. 2. It is found attached to stones and rocks (coral reefs) between tide marks. 3. Body is elliptical and is convex on dorsal and flat on ventral surface. Shell is present on dorsal side [...]
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, [...]