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Describe elements of environment ?????? |
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Answer» Our environment consists of both living and non- living things. Living things include soil, air, water whereas non- living things include plants and animals. Our environment is made up of the physical and biological world. The physical world includes air, soil and water and climatic factors like temperature, pressure, RAINFALL, sunlight, wind, etc. This all things make our environment. Talking about the biological world, it includes living organisms like plants and animals including human beings and micro- organisms. Our environment is made up of two components. They are described below, Abiotic Components Abiotic components include non- living things of the environment. Water, air, soil, temperature, rainfall, sunlight etc are the abiotic components of the environment. The BIOTIC components of the ecosystem which includes the plants, animals and microbes interact and are dependent on the abiotic factors. Some of the important abiotic components of our environment are discussed below, Air Air is very important component of our environment. No living organisms can LIVE without air. All the organisms requires oxygen for respiration. Carbon dioxide is used by green plants to make food by the PROCESS of photosynthesis. Nitrogen is very important for plants. Air is the mixture of various gases like oxygen, nitrogen, carbon dioxide, helium, neon etc. Our earth is ENVELOPED by a thick layer of air called atmosphere. The composition of various gases in air are given below, |
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