Question

the increasing environmental pollution in recent time adversely affects the energy flow in ecosystem leading to biomagnification of toxins make an analytical study of three biogeochemical cycle​

Answer 1

Answer:

Toxic chemicals and heavy metals flow into the ocean when industrial, agricultural, and human wastes runs off or is deliberately discharged into rivers that then empty into the sea. These pollutants cause disease, genetic mutations, birth defects, reproductive difficulties, behavioral changes, and death in many marine organisms. But the severity of the damage varies greatly between species. In many cases, animals near the top of the food chain are most affected because of a process called biomagnification.

Many of the most dangerous toxins settle to the seafloor and then are taken in by organisms that live or feed on bottom sediments. Because these compounds aren't digested, they accumulate within the animals that ingest them, and become more and more concentrated as they pass along the food chain as animals eat and then are eaten in turn. This is biomagnification, and it means that higher-level predators-fish, birds, and marine mammals-build up greater and more dangerous amounts of toxic materials than animals lower on the food chain.

In this activity you will explore the biomaginification of toxic chemical, mercury, through a simple marine food chain. In the simulation below, the marine environment is contaminated with mercury. Although all animals are exposed to this toxic chemical, seabirds are more severely affected than other organisms

Explanation:

Answer 2

Answer:

ans in attachment dude...