Biological Magnification

Science Project

Subject:Bilogical Magnification

INDEX • Defination • Example • Chain

BIOLOGICAL MAGNIFICATION Def:- A biological magnification is a process in which concentration of poisonous chemicals increases at every new step of food chain.

Example when chemicals like DDT are sprayed on vegetables & cereals its concentration increases in water & then water plants & then more in fishes & more-2 in fish eaters.

Chain DDT Magnifies ------------------------------------------------------ DDT spray ------- Water sources ------- ------------------------------------------------------ Phyto plankton -------- Zoo plankton ----- ------------------------ Fishes -------- Birds

Chain DDT Magnifies

Created By :- Sci Mistress (Sanjana)

Compiled By :- Computer Staff