Pollution - environmental pollution, Biology

Assignment Help:

Pollution - Environmental Pollution

Pollution refers to any undesirable change in the physical, chemical or biological characteristics of our environment, i.e. air, water and oil that may or will adversely affect humans or other species and life support systems of our biosphere directly or indirectly. A substance whose introduction into a resource damages the latter's usefulness is called a pollutant. Pollutants are grouped into two broad categories:

  1. Biodegradable pollutants and
  2. Non-biodegradable pollutants.

The non-biodegradable pollutants such as heavy metals, pesticides, move through the food chain and may get magnified to dangerous levels in higher trophic level organisms. Some of these combine with other compounds and produce toxic substances. However, biodegradable materials such as human and animal wastes, agro-based residues and fertilisers can also pose a threat if their quantities or inputs exceed the Assimilative capacity of the environment.


Related Discussions:- Pollution - environmental pollution

Effect of temperature, Effect of Temperature Certain plants such as th...

Effect of Temperature Certain plants such as the winter rye (Secale cereale) and the biennial strain of henbane (Hyoscyamus Niger) require exposure to low temperature conditio

Explain saturated fatty acids, Explain saturated fatty acids Some of th...

Explain saturated fatty acids Some of the more significant saturated fatty acids with their systematic and common names are listed in table, and some of the unsaturated fatty a

Explain the eukaryotic gene expression , Explain the Eukaryotic Gene Expres...

Explain the Eukaryotic Gene Expression ? Eukaryotic cells regulate the transcription of individual genes, large parts of chromosomes, or even entire chromosomes. Gene expressi

Rheumatic heart disease, Rheumatic heart disease was the predisposing cardi...

Rheumatic heart disease was the predisposing cardiac lesion for IE in 20 to 25 per cent. In patients with rheumatic heart disease, endocarditis occurs most frequently on the mitral

Show the collection of primary samples of grain, Q. Show the Collection of ...

Q. Show the Collection of Primary Samples of grain? Sampling of grains begins with the collection of the primary sample i.e. sample of the consignment. The process involved in

Medical and first aid, Medical and First Aid - Factors Affecting Occupation...

Medical and First Aid - Factors Affecting Occupational Health Depending on the type of work the industry must make arrangement for readily available medical facility. A nearby

What is working memory, Q. What is Working Memory? Working Memory: It h...

Q. What is Working Memory? Working Memory: It has often been suggested that memory does not always work in three stage sequence and the model of memory system comprising of sen

Pre pregnancy counselling, Pre Pregnancy Counselling To prevent excess...

Pre Pregnancy Counselling To prevent excess spontaneous abortions and congenital malformations in infants of diabetic mothers, diabetic care, education and counselling must be

Define the structure of vitamins, Define the Structure of Vitamins? Fo...

Define the Structure of Vitamins? For your convenience, however, we have given the structures of these vitamins here in the text. Look at Figure which illustrates the fat-solu

Phases of menstrual cycle - reproduction, Phases of Menstrual Cycle - Repro...

Phases of Menstrual Cycle - Reproduction Four phases of the menstrual cycle are usually distinguished: the menstrual, proliferative (follicular), ovulatory and progestational

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd