Question

say whether biological magnification have any ecological impact​

Answer 1

Yes !

Explanation:

Bio-magnification is the phenomenon where toxic substances accumulate in the tissues of the species in the ecosystems.

This usually happens in the species at the higher tropic levels because they are not directly consuming it through water or soil etc. rather they consume it from food or eating species at lower tropic levels.

This disturbs the whole ecosystem. Animals die at a faster rate and the contaminants travel through all the levels.