In this article we will discuss about the structure of hydra. This will also help you to draw the structure and diagram of hydra. 1. It is a fresh water form cosmopolitan in distribution. 2. It is found attached to aquatic weeds. 3. Body differentiated into a long tubular trunk and a hypostome or mouth surrounded by a ring of [...]
In this article we will discuss about the structure of opalina. This will also help you to draw the structure and diagram of opalina. 1. It is an endoparasite in the rectum of vertebrates especially frogs and toads. 2. Body some what oval and flattened with uniform cilliation all over. 3. Cytostome, cytopharynx, cytopyge and vacuoles are absent, but a [...]
In this article we will discuss about the structure of obelia. This will also help you to draw the structure and diagram of obelia. 1. It is the slide of obelia, which is a marine, colonial and arborescent animal. 2. It is found attached to submerged objects like rocks and weeds etc. 3. All the individuals in a [...]