Question

Which biological process involves the accumulation of toxins and pollutants in the upper levels of a food chain?

Biomagnification
Competitive exclusion
Phosphorylation
Photosynthesis

Answer 1

The correct answer is A. Biomagnification

Explanation

Biomagnification is a term used to refer to the process of accumulation of chemicals, pollutants and similar in the body of different organisms across food chains. This occurs as the amount of nocive substances increases their concentration as the trophic levels are higher. For example, when some chemicals contaminate a river, first acts against plants or the food of the fishes, later fishes acquire the contamination, after that other animals as humans consume fishes and they are exposed to chemical contamination in greater quantity. So, the correct answer is Biomagnification.

Answer 2

Answer: Biomagnification

Step-by-step explanation: It can be defined as the biological magnification in which there is an increase in the concentration of the substances which is toxic in nature.

It gets accumulated in the issues of the living organisms at successively higher levels in a food chain.

It is due to the persistence of the substance in the body of the organism, increase in the toxic concentration as it moves up in the food chain and then the insolubility of the toxic chemicals into water hinders its excretion from the body.