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 [...]
In this article we will discuss about:- 1. T.S. Leech through Crop Regions 2. T.S. Leech through Rectum and Post. Sucker. T.S. Leech through Crop Regions: 1. It is the slide of T.S. of Leech through crop region. 2. It shows following characters: (a) Body-wall is triploblastic and is comprised of a thin cuticle, an epidermis of columnar cells with [...]
In this article we will discuss about the structure of cyclops with the help of diagram. 1. It is the slide of Cyclops. 2. These are mostly free living forms of greenish colour found in ponds and ditches of stagnent water. 3. Body broad in middle and tapers behind into a urosome. 4. The body is divisible into a head, [...]