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  2. Environmental hazard - Wikipedia

    en.wikipedia.org/wiki/Environmental_hazard

    [4] [5] Biological hazards, also known as biohazards, are organic substances that pose a threat to the health of living organisms, primarily humans. This can include medical waste, samples of a microorganism, virus, or toxin (from a biological source) that can impact human health. Biological hazards can also include substances harmful to animals.

  3. Biological hazard - Wikipedia

    en.wikipedia.org/wiki/Biological_hazard

    A biological hazard, or biohazard, is a biological substance that poses a threat (or is a hazard) to the health of living organisms, primarily humans. This could include a sample of a microorganism, virus or toxin that can adversely affect human health. A biohazard could also be a substance harmful to other living beings. [a]

  4. Ecotoxicity - Wikipedia

    en.wikipedia.org/wiki/Ecotoxicity

    This ultimately affects all living organisms that comprise an ecosystem. Ecotoxicology has been defined as a branch of toxicology that focuses on the study of toxic effects, caused by natural or synthetic pollutants. These pollutants affect animals (including humans), vegetation, and microbes, in an intrinsic way. [1]

  5. Environmental toxicology - Wikipedia

    en.wikipedia.org/wiki/Environmental_toxicology

    Environmental toxicology is a multidisciplinary field of science concerned with the study of the harmful effects of various chemical, biological and physical agents on living organisms. [1] [2] Ecotoxicology is a subdiscipline of environmental toxicology concerned with studying the harmful effects of toxicants at the population and ecosystem ...

  6. Microbial toxin - Wikipedia

    en.wikipedia.org/wiki/Microbial_toxin

    Mycotoxins can be harmful because they can cause disease and death in humans and animals. [35] They are found in many pharmaceuticals like antibiotics and growth developments. [ 35 ] Mycotoxins can also play a role in chemical warfare agents (CWA), which are chemicals that contain toxins that are used to cause death, harm, or injuries to ...

  7. List of biosafety level 4 organisms - Wikipedia

    en.wikipedia.org/wiki/List_of_biosafety_level_4...

    Organisms include those harmful to human health, or to animal health. [1] The Plant Protection and Quarantine programs (PPQ) of the Animal and Plant Health Inspection Service (APHIS) are listed in 7 CFR Part 331. The Department of Health and Human Services (HHS) lists are located at 42 CFR Part 73.3 [2] and 42 CFR Part 73.4. [3]

  8. Pharmaceutical drugs are polluting rivers worldwide, study warns

    www.aol.com/pharmaceutical-drugs-polluting...

    Potentially toxic levels of pharmaceutical drugs have been found in a quarter of river locations examined across the world, a study found. Researchers from around the world surveyed more than ...

  9. Toxin - Wikipedia

    en.wikipedia.org/wiki/Toxin

    The Amanita muscaria mushroom, an iconic toxic mushroom.. A toxin is a naturally occurring poison [1] produced by metabolic activities of living cells or organisms. [2] They occur especially as proteins, often conjugated. [3]

  1. Related searches 5 potentially harmful organisms in the world quiz worksheet printable free

    levels of biological hazardenvironmentally toxic chemicals