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An ecosystem is a self sustaining structural and functional unit of the biosphere. The ecosystem may be large or small. In the biosphere several ecosystems exist. Usually there is exchange of material and energy between adjoining ecosystems. Ecosystems..

Many of the worlds habitats and ecosystems depend on a delicate balance of rainfall, temperature and soil type. A complex food chain supply exists based on these factors. Higher temperatures and precipitation changes are likely to cause diverse changes such as increased forest susceptibi..

Presence of dangerous unnatural ingredients causing imbalance in the ecosystem and health hazards to human beings and animals can be called as pollution. That is, pollution is a phenomena where natural ingredients are replaced or damaged by presence of dangerous unnatural ingredients - wh..

Land ecosystem Oceans Ocean sedim..

The different steps or levels in a food chain form different trophic levels. The illustration below is self-explanatory. This is the ecosystem that can exist on land. Trophic levels Thus a food chain of four levels is built up where green plants fix up the solar energy and prepa..

The most distinguishing characteristic of life is the boundless diversity in living forms. It is the total living (biotic) component of our bioshpere. Biodiversity can be defined as the variety and variability of all animals, plants and micro organisms found on earth. The diversity is due to the ge..

A comprehensive World Conservation Strategy for the judicious use of living resources has been formulated by the scientists of 100 countries. Some of the steps suggested to protect the wild life are: a) Special attention should be given to conserve the species, which fall in the category of endang..

Ecological Balance - The environment in which the man and other organisms live is called the biosphere. The biosphere is made up of different regions that have different types of flora (plants) and fauna (animals). The types of organisms in an area are determined by various factors such as the clim..

. For example, more land was converted to cropland in the thirty years since 1950 than had been converted in the whole of the period 1700 to 1850 (The Biodiversity Synthesis Report in the UN Millennium Ecosystem Assessment project). Forty percent of the earth's land su..

Biosphere - Earth is the only planet on which life exists. It consists of three components Lithosphere (Land), Hydrosphere (Water) and Atmosphere (Air). Life originated and evolved because of this unique combination of the three components and was ideal and favourable for life. The life s..