This is the source of nuclear power (electricity generation). Ecology (from Greek: οἶκος, "house" and -λογία, "study of") is a branch of biology concerning the spatial and temporal patterns of the distribution and abundance of organisms, including the causes and consequences. 30. Nuclear Fission: Splitting of nucleus (uranium/ plutonium) into two or more fragments with release of tremendous amount of energy. Compost: A nutrient rich soil produced by decomposition of organic matter under aerobic conditions. Eutrophication: Over nourishment of waterbodies due to excessive nitrates and phosphates received through runoff— it is harmful for the waterbodies. Figure 3 provides an overview of the ecological concepts and principles discussed in section 2 and their ap-plication as discussed in section 3. Infant Mortality: Number of infants born per 1000 who die before their first birthday. Lesson 1 • Started at 5:30 PM. All rights reserved. 68. - Definition & Explanation, What is the Hydrosphere? Ecology is the branch of science that deals with the study of interactions between living organisms and their physical environment. Exploitation: The relationship in which one organism is benefited by the direct utilization to other. 70. Biogeo Chemical Cycle: Pathway of circulation of elements within an ecosystem. 52. 67. It contains 70 per cent of air masses which are always in motion. 7. 12. Primary Pollutants: Gaseous and particulate pollutants discharged directly into the atmosphere by automobile exhaust emissions. Basic Concepts of Ecology and Environment. 95. - Definition & Explanation, What is the Biogeochemical Cycle? This note explains the following topics: Definition, Branches and Scope of Ecology,Ecosystem Ecology, Ecosystem Ecology, Ecological Factors, Pollution Ecology, Biogeographical regions of India, Vegetation types of Uttarakhand, Applied Ecology And Remote Sensing, Biostatistics, Methods Graphic and Non-graphic presentation of data,1-Measures of … Carbon Cycle: Natural cycle based on exchange of carbon-dioxide among Atmosphere, Biosphere and Ocean. Tectonic Plates: Huge blocks of earth’s crust which slide along slowly. Ecologists research how organisms are adapted to these nonliving and living components of their surroundings. An ecosystem is the combination of living things, such as plants, animals and microscopic organisms, plus environmental factors such as temperature, rain and sun light and ecology studies all of these aspects of an ecosystem. 32. © copyright 2003-2020 Study.com. Ecology & Environment. environment. Basic Concepts of Ecology. Energy: Ability to do work. which destroy or damage human lives, houses etc. Phytoplankton: Small plants like algae, bacteria found floating on the surface of water. Spell. 64. Ecological concepts are general understandings (or facts) about ecosystems and ecosystem management. Photovoltaic Cell: Solar cell that converts solar energy into electricity. Drought: Abnormal conditions appear-in an environment due to low rainfall or absence of rainfall for a long time in a particular area. Fodder: Green feed of cattle. One core goal of ecology is to understand the distribution and abundance of … 21. It is … Watershed: Land area from which water drains under gravity to a common drainage channel. Desertification: The process leading to desert formation. Ecology: Study of interactions of living organisms with their biotic and abiotic environments. answer! 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Drainage: The removal of surface or subsurface water from an area by natural or artificial means. Environmental Impact Assessment (EIA): A systematic analysis of the effects of a major development project on environment. The basic Concepts related to the Environment and Ecology are discussed below: 1. Nitrogen Fixation: Conversion of atmospheric nitrogen gas into ammonia by nitrogen-fixing bacteria/cyanobacteria. Atmosphere: The gaseous envelop surrounding the earth. Groundwater: Water held in aquifers 50% below the earth’s surface. 8. 744k watch mins. Ecology is the study of the interactions of living organisms with their environment. Monoculture: Cultivation of a single crop of tree. List of Regional distribution of the Wild Animals around the World. Evergreen Plant: Plants having green leaves throughout the year. Ecology The environment refers to the surroundings of an organism. Flashcards. Heterotrophs: Animal and non-green plants not capable of producing food. Individual species are related to various adaptations like physiological adaptation, morphological adaptation, and behavioural adaptation. Organismal ecology is the study of an individual organism’s behaviour, morphology, physiology, etc. Created by. The latter trap heat from the earth’s surface and returns it thereby raising the earth’s surface temperature. The environmental conditions of an organism determine the adaptative mechanisms of an individual organism… 102. Find out the salient features of environment: A. Detritus: Dead organic matter mainly of fallen leaves as life litter in forest. It looks at how individual organisms interact with biotic and abioticcomponents. Deciduous: The trees that becomes leafless for a certain period of the year. Mar 18, 2020 • 2h . Create your account. Principles of ecology: All living organisms and their environment are mutually reactive, affecting each other in various ways. How has climate change affected the human life? 65. Arora et al.). Ecology, the word comes from two Greek words, which are known as : Oikos=Home, and Logos=Knowledge The world in which we live consists of living organisms and non-living structures. 53. kirra_skye. Greenhouse Effect (Global Warming): Rise in temperature of the earth’s surface due to increase in the levels of greenhouse gases viz., carbon dioxide, methane etc. 35. 20. 71. Types of Food Chain. Wetlands: Ecosystems with stagnant water pool and having rooted vegetation. PAN (Peroxyacyl Nitrate): A toxic product of photochemical smog reactions. 47. 56. BASIC CONCEPTS : NATURE, ECOLOGY, ENVIRONMENT Concept 1.0 Objective 1.1 Introduction 1.2 Evolution of human being 1.3 Ecology 1.4 Environment 1.5 Types of Environment 1.6 Summary 1.7 Reference 1.8 Questions 1.0 OBJECTIVES 1) To make the students aware of the meaning of environment and its relationship with society. Biotic Component: Living component (i.e., plants, animals, and microbes) in an ecosystem. This phenomenon is similar to trapping of heat in glass covered green house (used for growth of vegetables and flowers during winter) and hence called greenhouse effect. Ajit Tiwari sir will explain important concepts of Ecology and Environment. 28. Watch Now. Ecosystem: A biological community and its physical environment exchanging matter and energy. Course Textbook(s) No physical textbook is required; resources are integrated within the course. It includes the soil which covers the rock’s crust in many places. 81. Decibel: Unit for measurement of intensity of noise. Antibiotics: It is a chemical substance derivable from a mould or bacterium that can kill microorganisms and cure bacterial infections. 34. The Environment, Levels of Ecology and Ecosystems, Population Ecology: Definition, Theory & Model, What Is Ecological Succession? It includes the study of plants and animals populations, plants, and animals community as well as the ecosystems. All other trademarks and copyrights are the property of their respective owners. Stratosphere: This region is above the troposphere at an altitude of 11-50 km above the earth’s surface. Population Explosion: Excessive growth of population as in developing countries, to a size that exceeds the carrying capacity. A sequence of organisms that feed on one another, form a food chain. Particulate Matter: Solid particles or ligand droplets suspended in air. 19. Ecology is the field of biology that studies the relationship between living beings … 37. 74. Age-structure: Percentage of men and women in the young, adult and old age group in the population. BASIC ECOLOGY TERMS. 51. 93. 57. This website uses cookie or similar technologies, to enhance your browsing experience and provide personalised recommendations. Earthquake: The shaking and trembling of earth due to movement inside the lithosphere that could be tectonic or volcanic. Ecology and Environment Environment refers to all the conditions that influence and affect the development and sustainability of life of all organisms present on the earth. Environmental Studies: The studies of the quality of environment and all aspects of human environment, their degradation etc. Principles of ecology 1. 33. 92. Ecology —the scientific study of interactions between different organisms and between organisms and their environment. Ecologists also study biomes. Over the years, the scope of our scientific understanding and technical skills in ecology and environmental science have widened significantly, with increasingly greater emphasis on societal issues. Residence Time: Length of time for which a chemical or molecule stays in the environment. 79. which absorb earth’s infra-red radiation, return it to the earth’s surface thereby raising the temperature (global warming). Bioaccumulation: Accumulation of non-biodegradable substances in the body (e.g., lead, mercury, DDT etc.) 18. Lithosphere: Outer shell of the earth’s crust made of the mantle of rocks. 55. Both are closely interrelated and they have continuous interaction so that any change in the environment has an effect on the living organisms and vice-versa. 103. Define and compare and contrast populations,... What is deep ecology? Do you know how the degree of danger to the threatened species is categorised? Topics of interest include the biodiversity, distribution, biomass, and populations of organisms, as well as cooperation and competition within and between species. The importance of Environment and Ecology has become highly useful resources to crack different competitive examinations. Earn Transferable Credit & Get your Degree, Get access to this video and our entire Q&A library. CBSE 10th & 12th Board Exam Date Sheet 2021: Big Announcement By Education Minister Ramesh Pokhriyal 'Nishank' - Watch Video & Check Updates! CBSE Deleted Syllabus 2020-21: 9th, 10th, 11th & 12th & CBSE Board Exams 2021 Updates! Ecology. Examples are smog particles from combustion of fossil fuels. About Food Chain. 27. 99. UPSC IAS 2020 Exam: Click here to get the Complete 30 Days Study Plan to score high in Prelims. 71. 87. It is a cleaner fuel than fossil fuel as it produces less carbon dioxide on burning. Photosynthesis: Synthesis of food (carbohydrates) by green plants in the presence of sunlight using carbon dioxide from air and water from soil. Gravity. Abiotic Component: Non-living component in an ecosystem. Test. 10. Natural Gas: Underground deposits of gases containing mainly methane and small amounts of propane and butane. Life Expectancy: Average number of years a new-born baby is expected to survive. In this session, Durgesh Nandan Sir will discuss the basic concepts of Ecology. 100. 43. Carrying Capacity: Maximum population size that a given system can support over a given period of time. Ecology Unit Biology 2. in response to environmental challenges. Anthropogenic: It is related to the study of the origin and development of human beings. 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. 61. With 40% new and expanded coverage, this text covers applied and basic aspects of limnology, now with more emphasis on we Flora: A species content of plants present in an area. Fundamentals of Ecology and Environment covers the basic concepts, ideas, major findings and current challenges. Biomass: Standing crop (living matter) of living organisms in terms of weight, present at any given time in the environment. 104. 91. Share. Biosphere: Composite environment consisting earth and atmosphere in which Organisms live. Concept of an Ecosystem: The term ecosystem was coined in 1935 by the Oxford ecologist Arthur Tansley to encompass the interactions among biotic and abiotic components of the environment at a given site. 69. 80. 5. New CBSE Syllabus 2020-21 (Revised & Reduced By 30%) - PDF: 9th, 10th, 11th, 12th! 49. - Definition & Explanation, Ecological Research Methods: Observation, Modeling & Experimentation, Three Types of Ecological Pyramids: Number, Biomass, & Energy, What is a Food Web? B. How biochemical cycles stabilises the biosphere? The environment refers to the surroundings of an organism. What is ecology? Ecology is the study of the interconnection between organisms, people and their physical environment. 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Extinction: Loss of species on earth as natural or manmade process. 86. - Definition & Experiments, What Is Ecological Balance? Hurricanes: Cyclonic storms with heavy rains and wind at speed exceeding 120 km/per hour. Humus: A dark amorphous substance that is partially degraded and serves as a major source of nutrients to plants. Insecticide: Chemical used for controlling insects. 14. Live. The science of ecology in its pure form studies the relationships of organisms with their environment. 4. 38. Students explore ecosystem structure and function, population ecology, and current environmental issues related to sustainability and the use of natural resources. 23. Fauna: Species content of animals present in an area. - Definition & Explanation, Working Scholars® Bringing Tuition-Free College to the Community. Air Pollution: Various gaseous pollutants from natural and man-made sources enter the atmosphere and have adverse effects on the normal properties of air. 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Hindi General Aptitude. Animal population, flora and fauna (vegetation) are interdependent throughout the environment. Hindi Environment & Ecology. Flood: Submerges of the vast area of land with water. Troposphere: The bottom region of the atmosphere at an altitude of 0-11 km. The varied organisms live in diverse environments all over the world. It is the sum of biotic and abiotic elements. 85. Environment & Ecology: Complete Study Material. “Organisms” means all living entities; this definition excludes relationships between non-living entities as a possible object of study for ecology. Plant Ecology and Biostatistics. Some im­portant fundamental concepts and principles of ecology in terms of eco-system may be outlined as follows: 1. Environmental Biology: The science that deals with inter-relationship between organisms and their environment. Here ozone acts as a protective shield against ultraviolet radiation from space and thus protects life on earth. Fertility Rate: The number of live birth per unit time per unit number of fertile female. Natural Hazards: Hazards from natural sources (earthquake, volcanic eruption etc.) Demography: The study of human population in all respect. Sciences, Culinary Arts and Personal Key Concepts: Terms in this set (47) Ecology. Transpiration: Loss of water from plant surfaces. Focus will be on conceptual clarity and mind mapping. 60. Health: It is a state of complete physical, mental and social wellbeing and not merely an absence of disease or infirmity and ability to lead a socially and economically productive life (WHO 1948). Chlorofluorocarbons (CFC): Used as solvent, refrigerant, fire retardant etc. Must watch session. 72. Ecology is known to be the scientific study of the interactions among the organisms and their 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. Autotrophic organisms synthesize their own food from simple organic substances. Feb 25, 2020 • 1 h 27 m . Carcinogen: Chemicals promoting cancer e.g., benzo-α-pyrene, arsenic, DDT etc. 58. Environment is the sum total of all conditions and influences that affect the development and life of all organisms on earth. 84. 41. Neutron: Nuclear particle with zero charge and mass, (relative to it). Explain the difference between opportunistic and... Enumerate the five functions of the skin. CSIR UGC NET SET Life Sciences for JRF Lectureship ₹ 1,880.00; UGC NET SET Environmental Sciences (2 Volumes) ₹ 950.00 NEET Physics, Chemistry, Biology - A Preparation Guide ₹ 590.00; Saras 12th Standard Bio Zoology Exam Guide - Line by Line Solved Questions - English Medium Tamilnadu State Board Syllabus ₹ 390.00; Saras 12th / +2 Bio Botany Exam Guide - Line by … science of relationships between living organisms and their environment 75. 106. 15. Ecosystem. Biodiversity: It refers to the variability among living organisms from all sources, including terrestrial, marine, and other aquatic ecosystems and the ecological complexes of which they are part; this includes diversity within species, between species, and of ecosystems. Incineration: The process of burning solid wastes in an inclinator at high temperature. 59. By continuing to use our website, you agree to our, Summary on the Fauna or Zoogeographic Regions of the World. Heredity: Genetically desired traits and qualities obtained from parents and ancestors. 31. Basic Concepts. Air Quality: It is the degree to which the air in a particular place is pollution-free. 89. Gasohol: Mixture of gasoline and alcohol is known as gasohol, used as a fuel in Brazil for running cars and buses. Course Syllabus Course Description Introduces basic ecological concepts and their relevance to human impacts on natural systems. Eco-system is a fundamental well structured and organised unit that brings physical environment and living organisms together in a single framework which facilitates the study of interactions between biotic and abiotic components. 105. Here temperature decreases with increasing altitude. 6. Community: Population of various species living and interacting in a given area. 50. - Definition & Examples, What is Plant Physiology? 82. 77. True or false? India has a huge urban population (about 300 million). 16. The scientific study of the distribution, abundance and dynamics of organisms, their interactions with other organisms and with their physical environment.