Question

in a food chain comprising of frogs insects birds and grass which of one of the organism is likely to have maximum concentration of harmful non-biodegradable chemicals in its body name the phenomenon​

Answer 1

Always the organism who is in the last of the food chain.

In this case birds( considering birds as carnivorous).

Answer 2

The phenomenon is called bio magnification

birds are going to have highest chemical concentration because the concentration of the chemicals increases as we move upwards in trophic level