In this article we will discuss about the structure of Garden Slug (Vaginula) with the help of a diagram. 1. It is commonly called garden slug and is found in lawns and gardens hidden under fallen leaves and in damp dark areas. 2. The body is elongated, dorsal surface is convex and ventral flat. 3. Shell in adult and body [...]
In this article we will discuss about the structure of Sea Slug with the help of a diagram. 1. Commonly called “sea slug” or "sea hare" and is an herbivore mollusc. 2. Body brightly coloured, soft and flashy and tapers behind into a tail. 3. Head bears a pair of small sensory and ear-like oral tentacles, retractile rhinophores and a [...]
In this article we will discuss about the structure of Terebra & Terebellum (Shankh) with the help of a diagram. 1. They are called "turret shells" and are marine molluscs. 2. They exhibit torsion and the nervous system is twisted in a figure of 8. 3. In these molluscs the left side has completely atrophied. 4. They have single [...]