biological magnification of toxic substances

Biological Magnification - Certain harmful substances, usually ones not found in nature but introduced by man, may get into plants and/or animals. These poisonous substances may not be broken down in the body or excreted easily, efficiently and quickly. Inste..

Food chain studies help, a) understanding the feeding relationships and the interaction between organisms in any ecosystem. b) comprehend the energy flow mechanism and matter circulation in ecosystems. c) understand the movement of toxic substances and the problem of 'Biolo..

Certain harmful substances, usually ones not found in nature but introduced by man, may get into plants and/or animals. These poisonous substances may not be broken down in the body or excreted easily, efficiently and quickly. Instead, they accumulate in the tissues, and a..

In higher animals ammonia combines with carbon dioxide in the liver and forms a less toxic substance called urea which is periodically flushed out of the system of the animal. Man eliminates nitrogenous waste in the form of ure..

The deliberate contamination of food materials with low quality, cheap, non-edible or toxic substances is called food adulteration. The substance which degrades (lowers) the quality of a food is called an adulteran..

The deliberate contamination of food materials with low quality, cheap, non-edible or toxic substances is called food adulteration. The substance which degrades (lowers) the quality of a food is called an adulterant. Adulteration results in two disadvantages for the co..

These organelles are found in the liver and kidney cells. They are small, membrane-bound sacs, and contain powerful oxidative enzymes. Their chief function is to remove toxic substances..

Brain can be damaged by head injuries infections such as meningitis, measles, encephalitis cerebral arteriosclerosis psychotropic drugs like sedatives, hallucinations, barbiturates nutritional deficiencies like vitamins, iodine Diseases like tuberculosis, leprosy Toxic substances..

Introduction - The nitrogenous waste materials produced in the animal body due to metabolic reactions are of no use to the cell. These waste materials if allowed to accumulate in the body, may become toxic. Therefore, they must be removed from the body. The process of elimination of metab..

The liver is a multipurpose,largest gland in vertebrates. It plays a vital role in excretion of many substances. (a) Liver changes the decomposed haemoglobin of the worn out red blood corpuscles into bile pigments bilirubin and biliverdin. These pigments are passed into the alimentary can..