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Pollution - Environmental Pollution
Pollution refers to any undesirable change in the physical, chemical or biological characteristics of our environment, i.e. air, water and oil that may or will adversely affect humans or other species and life support systems of our biosphere directly or indirectly. A substance whose introduction into a resource damages the latter's usefulness is called a pollutant. Pollutants are grouped into two broad categories:
The non-biodegradable pollutants such as heavy metals, pesticides, move through the food chain and may get magnified to dangerous levels in higher trophic level organisms. Some of these combine with other compounds and produce toxic substances. However, biodegradable materials such as human and animal wastes, agro-based residues and fertilisers can also pose a threat if their quantities or inputs exceed the Assimilative capacity of the environment.
Internal budget - Nutrient Budgets This is concerned with the circulation of nutrients through various biotic and abiotic compartments of a given ecosystem. In other words the
pisces kingdom
In biology, a species is smallest and basic unit of classification. Each species is placed within a single genus. For example biological name of human being is homosapiens. Here ho
The types of foods involved in botulism vary according to food preservation and eating habits in different regions. Any food that is conducive to outgrowth and toxin production, th
What is aves?
Sporozoans – Protozoan Sporozoans of the genus Plasmodium are responsible for causing a serious human disease, malaria. They are among, the best known parasites which live in
introduction
Define Terpene Alcohols - non glyceride fractions? Partly free, partly esterified e.g. ferulic acid; these are found in significant amounts in rice bran oil, wheal germ oil, so
According to Mendel's law phenotypical characteristics would be verified by pair of factors (alleles) that separate independently in gametes. What are the main types of inheritance
Define Iron deficiency anaemia During pregnancy? Iron deficiency anaemia (microcytic hypo chromic anaemia) is widespread among adolescents and young women during their reproduc
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