The resolving power refers to the ability of a magnifying instrument to separate detail of two closely placed object. The resolving power of an instrument or ...

List of various types of Features Writing. A feature can be written on any subject. A reporter can write about a cat trying to catch an elusive rat, a roadside ...

Sex limited and sex influenced traits are the result of genes on the autosomes and these are entirely different in their mode of inheritance from the ...

Age-Sex Distribution: In a population the individuals vary in age and functional aspects are highly dependent on age e.g. women can bear children only up to a ...

The major chromosomal sex determination mechanisms aXX-XY system, ZZ-ZW system, XX-XO system, ploidy level and compound chromosome system. The XX-XY ...

Natality: It is equivalent to the birth rate by means of birth, germination, hatching etc. It is the capacity of a population to increase itself. Under the ...

A gill is a respiratory organ found in many aquatic organisms that extracts dissolved oxygen from water and excretes carbon dioxide. Gills are simply layers ...

Modes of Respiration. For simple animals such as sponges, jellyfish, flatworms and roundworms, respiration is primarily through diffusion of oxygen through ...

The synthetic characters of  plant community are: Presence and Constancy: Presence and constancy describes about the distribution of species in a given area. ...

The community characters can be classified as analytical and synthetic. The analytical characters are both qualitative and quantitative in nature. The ...