The Environment influences an organism's life in many ways. It is everything that surrounds an organism and it includes physical and biological components. The physical components of the environment are soil, water, air, light and temperature. These are termed asabiotic components. The biological components are plants and animals, collectively referred to as biotic components.
Air, water, soil, minerals, coal, petroleum, animals and plants are referred to as natural resources.
The growing human population manipulates these natural resources to satisfy its needs. The destruction of forests for agricultural and commercial reasons has upset the ecological balance.
Air is an inexhaustible natural resource, essential for the survival of all the living organisms on earth. Air is a mixture of different gases; nitrogen and oxygen are the major components.
Soil can be defined as the uppermost crust of earth mixed with organic material and in which animals and microorganisms live, and plants grow.
Earth's crust is rich in inorganic materials. It includes ores, that are used on a large-scale to yield metals such as iron, aluminium, copper, tin, nickel, silver, gold, platinum etc.
Fuel wood, agricultural waste and cow dung (gobar), form the major sources of energy for rural India and most of the urban Indian population consumes energy from coal, petroleum, natural gas (CNG), hydel power (hydroelectricity), sun, wind and nuclear power.
Flora refers to plant species and fauna refers to animal species. Our country has a rich diversity of flora and fauna.