Point to Point Study Adda

 Food Chain and Food Web Food chain is a feeding hierarchy in which organism in an ecosystem are grouped into nutritional (tropic) levels and are shown in a succession to represent the flow of food energy and the feeding relationship between them. Complex network of inter connceted food chain called a Food Web. Types of Food Chain Grazing Food Chain Grass -Grasshopper-Frog-Snake-Hawk Green Plant-Goat-Wolf-Lion Detritus Food Chain Dead Plant-Soil mites-Insects-Lizards Dead Organic Matter-Bacteria-Protozoa-Rotifers. Ecology The term 'Ecology' first coined by German Biologist Ernst Haeckel. It was derived from Greek word Okologie, means 'home or surrounding'. It is defined as "the study of the interaction between lifed and its physical environment; the relationship between animal and plants and how one species affect another." Want to live happily forever, preserve biodiversity

                                  What Is Earth Day History Earth Day  is an annual event on April 22 to demonstrate support for  environmental protection . First held on April 22, 1970, it now includes a wide range of events coordinated globally by EarthDay.org (formerly Earth Day Network)   [1]   including 1 billion people in more than 193 countries.   [1]   [2]   The official theme for 2022 is  Invest In Our Planet .   [3]                  Why Earth day was celebrating

 Environment  Environment is defined as the social, cultural and physical condition that surround, affect and infulence the survival, growth and development of people, animal or plants. Environment includes everything around us. It encompasses both the living (biotic) and non-living (abotic) components of Earth. It consists of four segments: atmosphere, hydrosphere, lithosphere and biosphere.  Ecosystem    The term "ecosystem" was first coined by British ecologist Tansley. " An ecosystem is defined as a         natural unit that consists of living and non-living components which interact to form a stable system". Components of Ecosystem   The components of an ecosystem are grouped as abiotic (non-living) and biotic (living). The abiotic factors include air, water, siol, tempreaure, chemical products etc. Biotic factors includes plants, animals and micro-organisms. This living component can be further divided into: Producers make the...