Question

Pollutants and pollution are a major cause for biodiversity loss – Justify.

Answer 1

1. The excessive use of fertilizers, pesticides, and heavy metals has polluted the land, ground, and surface water bodies.
2. There is a decline in the population of fish-eating birds and falcons due to pesticide biomagnification, which results in high concentrations of such pesticides in higher tropic levels like fishes.
3. Eutrophication of water bodies has resulted from the runoff from fertilizer-rich fields.
4. Metal contamination like mercury arsenic, cadmium, and chromium have to lead to the depletion of biotic resources in vulnerable ecosystems.
5. The veterinary medicine, Diclofenac used for the thinning of eggshells is said to be responsible for the death of the vulture population.