The below mentioned article provides a diagram of obelia medusa. 1. It is the slide of Obelia medusa which is a reproductive zooid responsible for giving rise to new progeny. 2. These are saucer-like or umbrella- shaped structures and are developed from blastostyles asexually. 3. All along the margin they bear a ring of tentacles (velum). 4. The inner surface [...]
In this article we will discuss about:- 1. L.S. Anterior End of Balanoglossus 2. T.S. Proboscis of Balanoglosus 3. T. S. Collar Region 4. T.S. Branchiogenital Region. L.S. Anterior End of Balanoglossus: 1. It is the longitudinal section of anterior part of Balanoglossus. 2. In it the three fundamental regions of body of the animal are visible i.e., proboscis, collar [...]
In this article we will discuss about the structure of plumularia with the help of diagrams. 1. It is a marine, colonial, luminescent form. 2. The colony is feather-like and are attached to highly branched hydrorhizae. 3. The branches (hydrocladium) come out from the main stem alternately and bear sessile hydro theca only on upper surface. 4. The polyp bears [...]