Effects of toxic pollutants on food chains environmental sciences essay

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Effects of toxic pollutants on food chains environmental sciences essay

These processes are releasing a variety of extraneous materials and energy into environment in a continuous and uninterrupted manner. This is referred as environmental Pollution.

Causes and Effects of Environmental Pollution

The term pollution is derived from the Latin word Pollutioneum which means to defile or make dirty. The term Pollution has been defined in various ways by various scientists and organisations. However, the polluted materials need not necessarily be contaminated.

The polluted water is undesirable for drinking, recreation, visual enjoyment or as an habitat for the aquatic life normal to it.

Food Chains and How They Are Affected by Water Pollution | Sciencing

The polluted air is undesirable for breathing, for the condition of buildings and monuments exposed to it or for animal and plant life. Commonly speaking, the term pollutant is applied to non-livingman-made substances and other nuisances and it refers to their being in excess in a particular location.

This adverse effect of pollution is more severe when the pollutants are man-made rather than natural preparation. In short, the unserviceable or residues of things which the humanity manufactures, uses and throws away, can also be regarded as pollutants.

Effects of toxic pollutants on food chains environmental sciences essay

In terms of eco-system, the pollutants can be classified into two basic groups: These are not broken down the natural processes like action of microbes. The degradable pollutants can be further sub-divided into two categories: The degradation of these pollutants is very faster process.

ESSAY SAMPLE ON Conscientious Objectors TOPICS SPECIFICALLY FOR YOU Order now Another source that shows conscientious objectors were brave is in the ‘Fenner Brock-way’ source; ”three months bread and water treatment until the doctor wouldn’t allow it anymore. Environmental pollution refers to the introduction of harmful pollutants into the environment. These pollutants contaminates the environment. These pollutants contaminates the environment. It has a hazardous effect on the natural world and on the activities of living beings. It also has dire health effects on the individuals living on earth; it may cause respiratory problems, asthma, lungs and heart diseases, etc. Air pollution also affects the cardiovascular system, but the effects depend on the individual’s exposure to the pollutants.

For example, the decomposition of sewage and wastes of animals and plants is a faster process. The domestic sewage can be rapidly decomposed by natural processes. It seems as if the amount of pollutant remains unchanged with time.

Prom the above examples, it is clear that the solid wastes may be domestic and industrial in nature. Oxygen cycle is nicely operated in aquatic system maintaining ecological balance. That is, the dissolved oxygen is used by aquatic living organisms for their respiration and in return, these liberate carbon dioxide.

During photosynthesis, oxygen is again liberated to water which remains in dissolved state. Sewage also contains a large number of pathogenic and harmless bacteria.

The value is expressed in terms of mg. If the volume of B. Pesticides and herbicides which enter water may Kill some organisms or accumulate in fishes which, when consumed by man, pass on the chemicals giving rise to cumulative poisoning.

Besides, a lot of radio-active wastes enter into environment during the nuclear tests. A large quantity of waste heat energy is dissipated into environment by the way of hot liquid streams or hot gases released by industries and automobiles.

The unwanted sound is known as noise. It originates from the natural process. Different types of pollutions are as follows:ESSAY SAMPLE ON Conscientious Objectors TOPICS SPECIFICALLY FOR YOU Order now Another source that shows conscientious objectors were brave is in the ‘Fenner Brock-way’ source; ”three months bread and water treatment until the doctor wouldn’t allow it anymore.

Definition. Food pollution is generally defined as the presence in food or associated with food of toxic chemicals (elements or compounds) and/or biological contaminants which are not naturally present in food or are above their natural background levels (for those chemicals which are naturally found in .

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Effects of toxic pollutants on food chains environmental sciences essay

Environmental Toxicology is a quickly developing field concerned with the research how natural and semisynthetic pollutants impact the wellness of worlds, wildlife, and whole ecosystems.

Food contamination from bacteria and improper food handling causes 76 million people in the U.S. every year to become sick from food poisoning. , are hospitalized from bacteria or parasites and will bacteria contamination resulting in 5, deaths each year.

Clearly, chemicals and pollutants in our environment are having a devastating effect – worse than we even realized. Businesses, governments and industries must increase their efforts to reduce the impacts of these pollutants in the environment, in our bodies, and ultimately in the entire food chain.

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