Question

a food chain in a polluted aquatic ecosystem is given observe it and answer the following questions fresh water ------alage ----- fish-----birds​

Answer 1

Answer:

(i) (a) Birds are disturbed more due to biomagnification. (b) As the birds occupy the top most level in the given food chain, the maximum concentration of harmful chemicals causing biomagnification get accumulated in their body. (ii) (a) Biomagnification is the process of accumulation of non-degradable chemicals in the various trophic levels of food chains. (b) As the chemicals are non-degradable or cannot be washed, they cannot be removed from the organisms of the food chain. This leads to gradual destruction of the ecosystem

Answer 2

Explanation:

when fresh water become polluted then algae will not be grow properly .when algae will not be grow properly then the growth of fish will not be better .And when the population of fish will not be good then the ecosysten of birds effect