The place people things and nature that surround any living organism is called environment.
It is a combination of natural and human made phenomena. While the natural environment refers to both biotic and abiotic and Conditions existing on the earth, Human environment reveals the activities creations and interactions among human beings.
Biotic - the world of Living Organisms. e.g. plants and animals.
Abiotic - the world of non living elements e.g. land.
Lithosphere is the solid crust or the hard top layer of the earth. It is made up of Rocks and Minerals and covered by a thin layer of soil. It is an irregular surface with various landforms such as mountains, plateaus, and plains. Landforms are found over the continents and also on the ocean floor. lithosphere is the domain that provides us forest, grassland for grazing, land for agriculture and human settlements. it is also a source of mineral wealth.
The domain of water is referred to as Hydrosphere. it is comprises various sources of water and the different types of water bodies like rivers, lakes, and oceans.It is essential for living organism.
The atmosphere is the thin layer of air that surrounds the Earth. the gravitational force of the earth
holds the atmosphere around it. It protects us from the harmful rays and heat of the sun. It consists of number of gases, dust and water vapour. The changes in the atmosphere produced changes in the weather and climate.
Plant and Animal kingdom together make bio sphere or the living world. It is a narrow zone of the Earth where land, water and air interact with each other to support life.
Ecosystem - it is a system formed by the interaction of all living organisms with each other and with the physical and chemical factors of the environment in which they live, all linked by transfer of energy and material.
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