Similar Classes. CBSE 10th & 12th Board Exam Date Sheet 2021: Big Announcement By Education Minister Ramesh Pokhriyal 'Nishank' - Watch Video & Check Updates! Freshwater Ecology, Second Edition, is a broad, up-to-date treatment of everything from the basic chemical and physical properties of water to advanced unifying concepts of the community ecology and ecosystem relationships as found in continental waters. 13. Heterotroph: Organism that can’t synthesize its own food and derives its nourishment by feeding on other. It contains 70 per cent of air masses which are always in motion. environment. All organisms and the abiotic environment found in a defined spatial area, generally assumed to be the collective description of a community and its physical environment. 11. Do you know how the degree of danger to the threatened species is categorised? Detrivores: The microbes decomposing detritus. 29. Biomass: Standing crop (living matter) of living organisms in terms of weight, present at any given time in the environment. Basic Concepts. The science of ecology in its pure form studies the relationships of organisms with their environment. 100. The gases thus discharged are carbon monoxide, nitrogen oxides, sulphur dioxide, and hydrocarbons. 65. Ecologists comprehend the inner operations of... Our experts can answer your tough homework and study questions. Create your account. 54. Bioaccumulation: Accumulation of non-biodegradable substances in the body (e.g., lead, mercury, DDT etc.) It is the sum of biotic and abiotic elements. Here ozone acts as a protective shield against ultraviolet radiation from space and thus protects life on earth. Air Pollution: Various gaseous pollutants from natural and man-made sources enter the atmosphere and have adverse effects on the normal properties of air. Sanitary Landfill: Waste disposal site on land in which solid waste is spread with fresh layer of clay. Greenhouse Gases: Gases such as carbon dioxide, methane, water vapour etc. Deforestation: Destruction of forest cover. Basic Concepts related to the Environment and Ecology Environment is the sum total of all conditions and influences that affect the development and life of all organisms on earth… 64. The living and non-living components of an ecosystem are known as biotic and abiotic components, respectively. kirra_skye. The environment is the sum total of all conditions and influences that affect the development and life of all organisms on earth. 88. Ecology is the study of the interconnection between organisms, people and their physical environment. HOW TO PREPARE FOR ESE 2021 along with GATE 2021. Life Expectancy: Average number of years a new-born baby is expected to survive. 81. 14. which destroy or damage human lives, houses etc. 77. 30. Learn. Match. Air Quality: It is the degree to which the air in a particular place is pollution-free. DDT: Pesticide useful in agriculture and eradication of malaria. Hydrological Cycle: The process of continuous circulation of water between atmosphere and the earth's surface. List of International Organizations and Conventions related to Biodiversity. answer! 27. Animal population, flora and fauna (vegetation) are interdependent throughout the environment. in response to environmental challenges. Growth Rate: The difference between natality and mortality in a population. B. Key concepts include:• interactions within and among populations• nutrient cycling with energy flow through ecosystems• the effects of natural events and human activities on ecosystems 3. The importance of Environment and Ecology has become highly useful resources to crack different competitive examinations. This website uses cookie or similar technologies, to enhance your browsing experience and provide personalised recommendations. The basic Concepts related to the Environment and Ecology are discussed below: 1. Fertility Rate: The number of live birth per unit time per unit number of fertile female. New CBSE Syllabus 2020-21 (Revised & Reduced By 30%) - PDF: 9th, 10th, 11th, 12th! This is the source of nuclear power (electricity generation). Photosynthesis: Synthesis of food (carbohydrates) by green plants in the presence of sunlight using carbon dioxide from air and water from soil. Watch Now. Flood: Submerges of the vast area of land with water. Detritus: Dead organic matter mainly of fallen leaves as life litter in forest. From one country to another content of plants present in our surrounding included! Things and the use of natural resources life over a given system support... 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