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When toxic substances enter lakes, streams, rivers, oceans and other water bodies, they get dissolved or lie suspended in water. This causes pollution of water bodies, which degrade the quality of water so that either becomes health hazard or unfit for use and known as water pollution.
It is defined as deterioration of physical, chemical and biological properties of water brought about mainly by human activities and natural activities which causes harmful effects on human, plants and aquatic life.
Example: Domestics sewage, waste water discharge, industrial effluents, surface runoff water into river and sea.
The agouti locus in mice has three alleles: A is recessive and confers a black coat, A is dominant to a and confers an agouti coat, and AY is dominant to both and confers a yellow
Circulatio n I n Animal Circulation is served by a fluid as blood/ lymph that circulates through the body in a regular manner, receiving & distributing materials in the wa
Foot-and-mouth disease Foot-and-mouth disease (FMD) is an extremely contagious viral disease of cloven footed animals most notably cattle, pig and sheep. It is well known for
sanguivarous mode of feeding in annelida
Euthenics : It is the study of improvement of human races by providing better conditions. Euthenics means human improvement by altering external factors like as education or the co
HISTORY OF THE CELL Term "Cytology" was given by Hertwig , he also wrote a book on " Cell and Tissue ". Father of cytology = Robert Hooke. Father of Modern cytology
what is the scientific name of ameoba
You are given a metaphase chromosome preparation (a slide) from an unknown organism that contains 12 chromosomes. Two that are clearly smaller than the rest appear identical in len
What is Physiology: Root Pressure explain briiefly? Transport of water, minerals and nutrients within vascular plants is dramatically different from animals such as humans. Whe
Organisms are made to compete for their needs from the environment. The competition as we pointed earlier could be for the food and territory, to overcome the adverse climatic cond
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