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diversity is defined as the no of species present in a community termed as species richness. we can represent species biodiversity at different
conservation of biodiversity is very important to maintain the ecological balance of ecosystem.various steps for conservation of
these are some important uses of biodiversity.1. source of food medicines and drugsa wheat rice and maize are three
i genetic bio- diversityall forms of life on earth contain genes. genes are carrier of hereditary characteristic from one
the capacity to do work is known as energy. in an ecosystem energy flows through one organism to another in the form of food. the flow of energy is
phosphorus cycle is sedimentary cycle because it does not enter into atmosphere. it can be found on earth in water soil and sediments. the phosphorus
sulphur is one of important of proteins vitamins and hormones. it plays a very crucial role in health of both plants and animals. most of earth
carbon is important constituents of all organic compounds. it forms 49 of dry weight of the organisms. earth atmosphere contains 0.03 carbon
water is an essential commodity for survival of life on these plants. the circulation of water and moisture between living organism atmosphere and
the cyclic exchange of nutrient material between organisms and non-living environment is called biogeochemical cycle geo means earth chemical
an ecosystem is a self sufficient interacting system in the biosphere. eg. forest desert pond etc. almost all the ecosystem have more or less similar
ecosystems main functions are physical chemical and biological processes. which is required for if maintenance of ecosystem. some important
an ecosystem consists of two types of componentsa abiotic componentsthis includes the non-living components of the ecosystem. these are
ecosystems are so varied in form and structure that whatever has a distinct community of its own can be called an ecosystem eg. a crop field grass
the terms ecosystem was introduction by sir arthur tensely in 1935. an ecosystem can be defined s a structural and function unit of biosphere
in biology a species is smallest and basic unit of classification. each species is placed within a single genus. for example biological name of human
ecology is divided into two fields aautecology b synecology a autecology it deals with life history population dynamics
the main objectives of study of ecology arei to study the distribution of biota local and geographical level.ii
ecology is a interdisciplinary branch of science that deals with inter relationship between living organism and their environment.the term ecology
the environmental pollution has become a biggest threat to humanity. to over-come this problem a suitable preventive legislation is need of
i area uses or permit exposure to radiation should be marked restricted area or radiation zone etc.ii
following ways can be used for control of noise pollutionit can be controlled by designing fabricating and using quiter machines.in heavy industries
following steps must be takendomestic and industrial garbage should be profitably utilized. compost pits and installation of gobar-gas plant in rural
various waystechniques suggested for control of water pollution are as follows1. pollutants radio active chemical biological present in water bodies
air pollution can be controlled by two fundamental ways.preventive techniqueimportant measure to control air pollutionsuitable fuel having low