Question

1) What is bio magnification give example??
2) list out the advantage and disadvantage of construction of dams

Answer 1

Answer:

1)Biomagnification, also known as bioamplification or biological magnification, is any concentration of a toxin, such as pesticides, in the tissues of tolerant organisms at successively higher levels in a food chain.

Answer 2

Answer:

1. The entry of toxic substances through different trophic levels finally into human being is known as bio magnification

2. It can used for production of energy.

Due to construction of dams the people living in that area are displaced,no medium for breeding of aquatic organisms