Toxins and contaminants can move up the food web and organisms at higher trophic levels can be threatened, even if the pollutant is introduced to the environment in very small quantities through a process known as:________.
Also called as the biological amplification of the toxins and their modification such as the pesticides in the ecosystem through the various organism such us the plants animals and the birds and reach the higher levels of the food chains and they are result of the presentence and the increase of the energy form one tropical level to the other trophic levels and such a contamination can take place through the water air and their soils etc.
