In this article we will discuss about Vermicomposting:- 1. Meaning of Vermicomposting 2. Participating Organisms of the Vermicomposting 3. Physical Conditions. Meaning of Vermicomposting: Vermicomposting is a method by which compost or mixed manure of organic origin is prepared by the use of earthworms. It is a controlled degradation of the organic wastes for the consumption of earthworms, helps in [...]
In this article we will discuss about Metamerism in Annelids:- 1. Meaning of Metamerism 2. Occurrence of Metamerism 3. Characetristic Features 4. Types 5. Origin 6. Significance. Meaning of Metamerism: Metameric segmentation or metamerism is an architectural body plan in some animals in which the similar body segments and organ systems are serially repeated one after another. The similar body [...]
In this article we will discuss about Nephridium of Annelida:- 1. Definition of Nephridium 2. Research Work on Excretory System 3. Classification of Nephridia 4. Physiology 5. Functions. Definition of Nephridium: An excretory tubule which opens to the exterior through the nephridiopore and the inner end of the tubule is blind (associated with terminal cells or solenocytes) in the protonephridium [...]