Maximum DDT is present in birds feeding on

Maximum DDT in birds feeding on :-

Identify the glands present in birds.

Which of the following is not present in birds?

Increased concertration of DDT in fish -eating birds is due to eutrophication bio-magnification cultural eutrophication accelerated eiutrophication

Only cutaneous gland present in bird is

How has DDT caused decline in bird population ?

How has DDT caused decline in bird population ?