Environment

Question 1

Bioaccumulation vs. Biomagnification (or amplification)

Answer 1

increase in conc. of pollutant in one organism within a level | refers to how pollutants enter food chain
vs.
conc. of pollutant as they move level up | pollutant shud be biologically active, mobile, soluble in fats, long lived.

Question 2

habitat – sandy saline arid (now limited to Rann of Kutch in India)
no predators
threatened due to habitat destruction, invasion by prosopis juliflora, encroachment, grazing

Answer 2

Indian Wild Ass (or Khur)

Near Threatened