In this article we will discuss about the structure of sertularia with the help of diagram. 1. It is the slide of sertularia, which is a colonial and marine animal. 2. Colony is found attached to sea weeds and is attached to creeping hydrorhizae. 3. The colony produces luminiscence. 4. The hydrotheca and gonotheca are sessile and arise from internodes. [...]
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 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 [...]