Types, Effects, Causes, Control Measures for Preventing
Subject and UNIT: Environmental Sciences and Sustainability: Unit II: Environmental Pollution
• Any physical, biological or chemical change in water quality that adversely affects living organisms or makes water unsuitable for certain uses is referred as water pollution.
Definitions, Examples, Classification
Subject and UNIT: Environmental Sciences and Sustainability: Unit II: Environmental Pollution
Pollution is defined as the excess discharge of any substance into the environment which affects adversely quality of environment and causing damage to humans, plants and animals.
Environmental Sciences and Sustainability | Environment and Biodiversity
Subject and UNIT: Environmental Sciences and Sustainability: Unit I: Environment and Biodiversity
Environment and Sustainability: Unit I: Environment and Biodiversity : Two Marks Questions with Answers
Subject and UNIT: Environmental Sciences and Sustainability: Unit I: Environment and Biodiversity
• Biodiversity is an important tool for sustaining development in any country. Multiple utility of biodiversity in commercial, medical, genetic, aesthetic and ecological field makes it necessary to preserve biodiversity. There is need to educate people to adopt environment friendly practices
Subject and UNIT: Environmental Sciences and Sustainability: Unit I: Environment and Biodiversity
• There is loss or threat to biodiversity because of several reasons. These include primary changes in abiotic and biotic factors of an ecosystem which causes harmful effects on biodiversity.
Subject and UNIT: Environmental Sciences and Sustainability: Unit I: Environment and Biodiversity
• A rich biodiversity is the wealth of any nation. Biodiversity provides variety of environmental survives and ecosystem essential for human life. Each organism has its own significance in the biosphere.
Definitions, Importance, Types, Genetic Diversity, Ecosystem Diversity
Subject and UNIT: Environmental Sciences and Sustainability: Unit I: Environment and Biodiversity
Biodiversity (Biological diversity) is defined as variety and variability of living organisms in a given assemblage. Biodiversity covers whole life on earth.
Subject and UNIT: Environmental Sciences and Sustainability: Unit I: Environment and Biodiversity
• Three major functions of an ecosystem are : 1. Primary function 2. Secondary function 3. Tertiary function
Subject and UNIT: Environmental Sciences and Sustainability: Unit I: Environment and Biodiversity
• The energy needed for the function of ecosystems comes from an external source, the sun. The solar energy is transformed into chemical energy by using photo-synthesis. This chemical energy is nothing but carbohydrates and oxygen.
Subject and UNIT: Environmental Sciences and Sustainability: Unit I: Environment and Biodiversity
• The structure of an ecosystem indicates it's components (species diversity) and their interdependency for growth and survival.
Definitions, Scope, Importance, Classification, Characteristics
Subject and UNIT: Environmental Sciences and Sustainability: Unit I: Environment and Biodiversity
3. An ecosystem is a community of living organisms (plants, animals and microbes) in conjunction with the non-living components of their environment (things like air, water and mineral soil), interacting as a system.
Subject and UNIT: Environmental Sciences and Sustainability: Unit I: Environment and Biodiversity
• The Earth's natural resources are being exhausted rapidly and environment is degraded by human activities. We must not expect Governments alone to manage the safeguarding of the environment.