The effect on living organisms exposed to a toxic substance.

A test used to see how living tissue responds to toxic substances. A sample of a species are exposed and than the effects are studied.

The amount of anything that a body can use. It is introduced by eating it, breathing it, injecting it, or skin contact. The availability is dependent on the substance itself […]

When a product or material comes from a biological renewable resource.

Chemicals naturally occuring in nature. Or a chemical that is the same as a naturally occuring one. They can be used as pesticides for example.

Anything that kills life forms when it is placed on them.

When waste is turned into energy using microorganisms. Biomass can be turned into ethanol, methanol, and methane.

Anything that can be broken down by microorganisms. It can be food, cotton, wool, wood, waste, and manufactured products. Refer to degradable and photodegredable.

The act of breaking down a substance with bacteria, water, air, or sun. Refer to biodegredable.

A fuel made from natural elements. Plants and other reusable materials have been used to make this fuel. It is better for the atmosphere and the enviroment. It is more […]

The variety of life forms and the basic complexes they come from.

Fuel made from any organic matter not fossils. Refer to fossil fuels.

A gas that is used in cooking in farming communities. It made up of methane, carbon dioxide, and hydrogen sulfide. Waste is fermented to get this fuel. The solids left […]

When bacteria is used to make a biomass into methane. AKA biomethanization.

Any fish or fresh water animals that are studied. If they change behaviors or die than it indicates that toxins are present in the water.

Using information technology to make drugs, screen for drugs, and study dna just to name a few applications.

The time a body takes to process half a substance in it. AKA biological half life, biological half time, metabolic half life, and metabolic half time.

Studying specimens to see how a substance affects the body. It will than be decided to be toxic or helpful. AKA biological monitoring.

Anything an organism can make that causes or treats a disease.

Studyig specimens from a work environment to evaluate the working conditions .

A living organism or product that can harm animals and humans.

Any enzymes used to get rid of waste. They are turned into a more useful harmless form.

The way organic pollution is measured in water. The bacteria and organisms in water are tested for five days in the dark. The higher the BOD rate the more pollution. […]

A substance a living organism makes like blood.

The way waste water is treated with bacteria to get rid of or reduce contaminants.