In this article we will discuss about the collection of plankton. I. Biotic Community: An aquatic microscopic biotic community is constituted by: (a) Pelagic forms suspended in water, localised mostly towards the surface, and (b) Benthonic or bottom dwellers attached to the bottom or submerged in mud. Collection of Plankton: Pelagic forms: A. Hand net: 1. The plankton is collected [...]
In this article we will discuss about the meaning of pedigree analysis with its problem. Pedigree is a genealogical table, chart or diagram representing the ancestral line of an individual man or animal having a long span of life and low reproductive ability. Pedigree analysis is the process of determination of the exact mode of inheritance of a gene when [...]
In this article we will about the dissection and structure of chick embryo. Dissection of Chick Embryo: Break the egg shell at the narrow end by striking it gently with the handle of a scalpel. Remove the egg shell in pieces with a pair of forceps till the opening is large enough to pour out the contents without damaging the [...]