Over population of pest organisms
Over population of pest organisms. With tremendous increase in the agricultural crops all over the world, most favourable conditions are created for the pest organisms....
Over population of pest organisms. With tremendous increase in the agricultural crops all over the world, most favourable conditions are created for the pest organisms....
Bioaccumulation. Normally, plants and animals have the ability to get rid of some poisons out of their systems. However, certain toxic chemicals like pesticides, insecticides,...
The Hydrological Cycle: Water is essential to life. Without it the biosphere that exists on the surface of the earth would not be possible. Nicknamed...
The Nitrogen Cycle Nitrogen is the most abundant element in the atmosphere. It is a vital element for all the living systems. It is the...
The Carbon Cycle The carbon cycle is one of the important cycles at the global levels. Carbon moves in the biosphere through various pathways. Human...
Meaning of Environment The dictionary meaning of the term environment is ‘surroundings’ – the region surrounding or circumstances in which anything exists, everything external to...
Types Of Environment The environmental can be divided into physical biological and cultural environment. On the basis of the structure the environment may be divided...
Lithosphere : The oceanic and the continental crust and the rigid upper portion of the mantle of the earth constitute the lithosphere. The economically useful...
Atmosphere : The multi-layered gaseous envelope surrounding the planet earth is atmosphere. The atmosphere is a significant component of the natural environment. All the necessary...
Hydrosphere: This is the sphere of water consisting of surface, ground and ocean water. Seventy-one % of the Earth’s surface is in water. Glaciers and...