Question

(b) The following organisms form a food chain. Insect, Hawk, Grass, Snake, Frog. Which of
have highest concentration of non-biodegradable chemicals? Name the phenomenon.
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Answer 1

Answer:

hawkhas higher concentration....

Answer 2

ANSWER :::::

THE HAWK WILL HAVE THE HIGHEST CONCENTRATION OF NON-BIODEGRADABLE CHEMICALS

WHY? :::::::

THIS PROCESS IS CALLED BIOLOGICAL

MAGNIFICATION.

IT IS A PROCESS BY WHICH SUCH HARMFUL CHEMICALS GETS INCREASED PROGRESSIVELY AT HIGHER TROPHIC LEVELS.

IN ALL FOOD CHAINS..THE ANIMAL AT THE TOP MOST LEVEL WILL HAVE THE HIGHEST NUMBER OF SUCH CHEMICALS IN THEM

IN THE GIVEN FOOD CHAIN HAWK OCCUPIES THE HIGHEST POSITION AND HENCE, ITS BODY WILL HAVE THE HIGHEST CONCENTRATION OF CHEMICALS.