Sign up now
to enroll in courses, follow best educators, interact with the community and track your progress.
Enroll
24
Download
Pollutants in ecosystem
20 plays

More
Bioaccumulation and biomagnification

Pawan Sharma
Lawyer | Author | Writer ,Cleared IB MHA Exam ,Wrote UPPSC mains, Campus Law Center Delhi University alumni

U
Unacademy user
As
Kb se suru kr rhe Ho sir
Sumit Mishra
6 months ago
lessons upload ho chuke h... profile pr dekh lijiye.
  1. Pollution accumulation in Ecosystem Magnification of DDT Concentration Fish-Eating Birds 1 10 000,000 Bioaccumulation Large10o,c00 Small Fish 100,c00 lankton 10,000 Producers 1000 Wator By - Pawan Sharma


  2. Involves two wavs: 1)Bioaccumulation 2)Biomagnification BIOACCUMULATION: tuna Build up of chemicals in living organism mercury larger fish chemicals do not break up and get accumulate< thongi food chain -1st step how a pollutants enter food chain smaller fish animal plankton traces of mercury plant plankton


  3. 2)BIOMAGNIFICATION: Magnification of Birds DDT Concentration 000,000 Small Fish 100,000 ankton 10,000 Producens Wator --Pollutants concentrated as it moves from one level to another -Pollutants must be long-lived,mobile,soluble in fats,biologically active