Random
Biology
Waste Disposal
Water Quality
Vocab
100

What is the primary source of energy for metabolism?

Carbohydrates 

100

What is biomagnification?

Accumulation in a organisms body moving from one level of the food chain to the next. 

100

What are two types of landfills?

Sanitary and Secure

100

What is point source pollution?

Drain pipes and smokestacks that release pollutants directly into the environment.

100

What is a pollutant

Any material or form of energy that will cause harm to a living organism.

200

What is the PH of human blood?

7.4

200

Carbohydrates, Proteins, Lipids and Vitamins are all examples of.

organic (carbon containing) nutrients

200

What is Leachate?

The liquid that results as wastes decomposes and rain water filters down through the landfill.

200

Wastes that can be broken down into simple non-polluting compounds by naturally occurring chemical reactions, or bacterial action are called what?

Non-persistant pollutants

200

Serious symptoms occur after only one exposure to the this type of toxic chemical. 

Acute Toxicity

300

In the stratoshpere, ultraviolet light reacts with CFC molecules to produce chloride ions. What do these chloride ions do?

act as a catalyst to breakdown the ozone (03) gas to normal oxygen (02).

300

What is the device called that uses a sorbent (a substance that can absorb , or capture oxides)

Scrubbers.

300

What is the difference between the liners in Sanitary and Secure landfills?

One is plastic liner and one is clay 

300

A Organism that typically are found in either clean or polluted waters can be called what?

Biological indicators

300

Explain what lethal dose 50 is. 

LD50 refers to a dose that will kill 50% of the population to which it is applied to. 

400

21-7-7 corresponds to what nutrient content? 

Nitrogen, Phosphorus and potassium

400

oils and some dairy products are used as a storage of chemical energy and can be classified as what type of organic molecule?

Lipids (Fats)

400

What are the 5 classification for a material to be considered toxic or hazardous waste?

Poisonous, toxic, corrosive, flammable and explosive

400

The most useful indicators of water quality are what type of organism?

Macroinvertebrates

400

PH is short for what?

Power of Hydrogen

500

What element is a crucial part of red blood cells that regulate oxygen transport

Iron

500

What are 3 types of pesticides? 

Herbicides, Insecticides and fungicides

500

Mustard grass being used to remove selenium metal from contaminated soil is an example of ________

Bioremediation

500

After point source pollution into a river what are the three stages a water way must go through until it returns to a clean river? 

clean zone -> decomposition zone (oxygen sag)-> septic zone (oxygen sag) ->recovery zone (oxygen recovery) -> clean zone 

500

Macromineral can also be classified as what type of element

Trace element