In this article we will discuss about the structure of Locust (Schistocerca) with the help of a diagram.1. They are commonly known as short- horned grasshoppers and are gregarious insects spending their life in two phases - (A) Solitary non migratory phase & (B) migratory phase. 2. They are found in arid regions in tropical parts of the world. 3. [...]
In this article we will discuss about the structure of Bonellia with the help of a diagram. 1. It is a small marine and burrowing worm found living in "V" shaped holes in mud or sand or in crevices between rocks along seashores. 2. It exhibits sexual dimorphism. 3. The female possesses an ovoid green body of about 5 cm., [...]
In this article we will discuss about the structure of Polystomum with the help of a diagram. 1. They are endoparasites in the urinary bladder of frogs, toads and turtles. 2. The body is dorsoventrally flattened and leaf-like. 3. They are acoelomate, triploblastic un-segmented and monogenetic trematodes. 4. Anterior end without or with a weak sucker J. Posterior end has [...]