physical environment

Concept of Ecosystem, Structure and Function of Ecosystem

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Eco-System-An ecosystem is defined as a structural and functional unit of biosphere consisting of community of living beings and the physical environment, both interacting and exchanging materials between them. It includes plants, trees, animals, fish, birds, micro-organisms, water, soil, and  people. When an ecosystem is healthy (i.e. sustainable) it means that all the elements live … Read more Concept of Ecosystem, Structure and Function of Ecosystem

Types of pollution and their management; air, water, soil, sound/noise, radioactive and e-waste. Industrial waste and its management. Impact of Solid Waste Management, recycling and reuse,

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ENVIRONMENT POLLUTION defined as ‘an addition or excessive addition of certain materials to the physical environment (water, air and lands), making it less fit or unfit for life’. Pollutants are the materials or factors, which cause adverse effect on the natural quality of any component of the environment. Classifications 1. According to the form in … Read more Types of pollution and their management; air, water, soil, sound/noise, radioactive and e-waste. Industrial waste and its management. Impact of Solid Waste Management, recycling and reuse,

Biodiversity-Definition, types, importance, hotspots, threats and conservation

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Biodiversity-Definition, types, importance, hotspots, threats and conservation The term biodiversity was coined as a contraction of biological diversity by E.O. Wilson in 1985. Biodiversity may be defined as the variety and variability of living organisms and the ecological complexes in which they exist. In other words, biodiversity is the occurrence of different types of ecosystems, … Read more Biodiversity-Definition, types, importance, hotspots, threats and conservation

Social Control and Social Change – Sources and agencies of Social Control, Processes and factors of Social Change

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Social Control and Social Change – Sources and agencies of Social Control, Processes and factors of Social Change Society is a collectivity of groups and individuals. It exists for the welfare and advancement of the whole. The mutuality, on which it depends, is possible to sustain by adjustment of varied and contradictory interests. The structure … Read more Social Control and Social Change – Sources and agencies of Social Control, Processes and factors of Social Change