what is biological magnification

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. Instead, they accumulate ..

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 as the living organis..

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 'Biological magn..

The study of food chains helps in understanding food relationship and interdependence among various organisms in an ecosystem. The mechanism of transfer of food, energy and nutrients through various components of nature can also be studied The effect of the use of pesticides on the ecosyste..

It is a sophisticated form of microscope, which can provide a higher magnification of the object (up to 1,00,000 times or more). The electron microscope employs an electron beam emanating from a cathode, instead of light as in the compound microscope. It uses coils instead of lenses. fig...

Cell and Cell Structure - The cells that make up our body are so small that you would fit over 200 of them on the full stop at the end of this sentenc..

The movement of certain substances will have to occur against a concentration gradient. As such the movement requires some biological process involving expenditure of ener..

The movement of certain substances will have to occur against a concentration gradient. As such the movement requires some biological process involving expenditure of energ..

Biology has two basic branches - Botany and Zoology. Botany is the study of plants while Zoology is the study of animal..

This involves the use of some appropriate insects or some other organisms on the crop field having weeds. They selectively destroy the weed plants but do not harm the crop plants. Example: Cochineal insects are used to eradicate Opuntia weed (prickly pear). Aquatic weeds are controlled by grass ca..