Meaning of biodiversity

Bio-diversity of a location is the existance of organism and species ofliving being per square unit area.It can be defined as the measure of variety of earth's animals,plants and microbe species of genetics difference within speciesand of ecoystem.It indicates the total living heritages of the earth and their status as well as difference,or the system and structure of living beings in the nature.Biodiversity are of three types,they are as follows:
(1)Species:Different species as fauna and vegetation like man,elephant,birds,maize,wheat,pulse,patotes,etc can be taken under species.Species of bacteriaand virus also come under it.
(2)Ecosystem:The ecosystem means the habitat of living beings.Organisms pass their life according to their capacity and favourability.There is a biodiversity due to the structure of ecosystem.
(3)Genes:Genes control physical characteristicts,growth,survival and development.They changes and reproduce themselves.They are passed on from one generation to another.It is because of genes that the organisms living living in mountain have the capacity to bear more cold &the organism of terai have the capacity to bear the beat.