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| 8458353362 | taiga | A cool forest biome of conifers in the upper Northern Hemisphere; Largest biome | 0 | |
| 8458353363 | tundra | Biome associated with tree growth greatly hindered by low temps and short growing season; in the extreme north | 1 | |
| 8458353364 | strip farming | cultivating crops in parallel strips that can be harvested and tilled at different times - ensures that some areas will always be covered by vegetation and helps maintain soil nutrients. | 2 | |
| 8458353366 | disinfection | adding chlorine is an example of this water treatment; process of adding chemicals to kill bacteria | 3 | |
| 8458353367 | WWF (World Wide Fund for Nature) | classified the world's biomes into 14 different types | 4 | |
| 8458353368 | Ogallala Aquifer | aquifer that stretches from South Dakota to Texas (largest US aquifer) | 5 | |
| 8458353369 | compressed organic materials | main ingredient the produces fossil fuels | 6 | |
| 8458353370 | too much phosphorus | promotes algea | 7 | |
| 8458353371 | chlorination | disinfection of water by the addition of small amounts of chlorine or a chlorine compound to kill bacteria | 8 | |
| 8458353372 | oil | liquid that doesn't mix with water; not an alternative to fossil fuel | 9 | |
| 8458353373 | meltdown | what happened at Chernobyl Nuclear Reactor in 1986 | 10 | |
| 8458353374 | rangeland | you find a shortgrass prairie in this environment | 11 | |
| 8458353375 | 8.5% | with 85 deaths in a population of 1000, what is death rate? | 12 | |
| 8458353376 | photosynthesis | Conversion of light energy from the sun into chemical energy; plants absorb carbon monoxide and produce oxygen | 13 | |
| 8458353377 | 50% | percentage of plant varieties found in tropical rain forest | 14 | |
| 8458353378 | phytoplankton | autotroph in ocean; produces its own energy without consuming other organisms, similar to algae and seaweed | 15 | |
| 8458353379 | eutrophication | when in a lake or other body of water, a substance (natural or artificial) is introduced that affects the wildlife; often we hear about it when the process by which nutrients in a lake build up over time (like phosphorus), causing an increase in the growth of algae. | 16 | |
| 8458353380 | orchid | example of a tropical organism that's a heterotroph | 17 | |
| 8458353381 | heterotroph | An organism that obtains organic food molecules by eating other organisms or substances derived from them; consumer | 18 | |
| 8458353382 | stratosphere | 2nd layer of atmosphere; extends from 10 to 30 miles up; location of ozone layer; absorbs 95% of Ultraviolet radiation; temperature increases with altitude increase. | 19 | |
| 8458353383 | electrostatic precipitator | successful in reducing particulate emissions from power plants, used in almost all new systems; removes particles by applying high-voltage electrostatic charge and collective particles on charged plates; only 50% effective for small, harmful particulates | 20 | |
| 8458353384 | desertification | The process by which formerly fertile lands become increasingly arid and unproductive, (desert-like);often caused by over-farming | 21 | |
| 8458353385 | ecology | study of living organisms and their effect on each other and their surroundings; (branch of biology studying relation of organisms to one another and their physical surroundings) | 22 | |
| 8458353386 | gulf of Mexico | ending of Mississippi river | 23 | |
| 8458353387 | natural gas | after coal, next biggest producer of energy in US power plants; flammable gas, consisting largely of methane and other hydrocarbons, occurring naturally underground (often in association with petroleum) used as fuel | 24 | |
| 8458353388 | biome | same types of plants and animals that live there; ecosystem or group of ecosystems with similar climates and organisms | 25 | |
| 8458353389 | population ecology | looks at the population sizes or organisms in the same ecosystem and how they change over time | 26 | |
| 8458353390 | sun and bacteria | most oil removed after a big spill | 27 | |
| 8458353391 | evolution | change over time, the process by which modern organisms have descended from ancient organisms; Charles Darwin in founder | 28 | |
| 8458353392 | nuclear power | energy from breaking apart atomic nuclei (fission), produces less greenhouse gas emissions than fossil fuels but nuclear waste is highly radioactive | 29 | |
| 8458353393 | bioaccumulation | the build up of a substance (usually a toxin) as it passes through a food chain | 30 | |
| 8458353394 | filtration | Process of passing a liquid or gas through a filter to remove wastes | 31 | |
| 8458353395 | settling | process of slowing down water flow so pollutants sink to the bottom; the trapped fine sediment particles that settle to the bottom of water | 32 | |
| 8458353396 | fertilizers | cause of more phosphorus than ever being introduced into the lakes and stream; main source of nitrate and phosphate pollution | 33 | |
| 8458353397 | wind power | renewable, variable | 34 | |
| 8458353398 | clean air act | Set emission standards for cars, and limits for release of air pollutants | 35 | |
| 8458353399 | heterotrophs | Organisms that must ingest nutrients rather than synthesize them | 36 | |
| 8458353400 | ambient temperature | The temperature of the surrounding environment. | 37 | |
| 8458353401 | detrivore | a scavenger, such as an earthworm, that feeds on dead plant and animal matter | 38 | |
| 8458353402 | lithosphere | the rigid outer part of the earth, consisting of the crust and upper mantle. | 39 | |
| 8458353403 | mesosphere | 3rd layer of the atmosphere; The layer of Earth's atmosphere immediately above the stratosphere | 40 | |
| 8458353404 | troposphere | The lowest layer of Earth's atmosphere; its MASS contains 99% water - responsible for weather | 41 | |
| 8458353405 | biofuel | fuel source blamed for increased food prices; Fuel from organic sources; 'fuel from biological carbon fixation' | 42 | |
| 8458353406 | coral reef | account for 25% of all marine organisms; found in warm and cold water | 43 | |
| 8458353407 | chemical treatment | Chemicals added to water that are used to control algae, sludge, scale buildup, or to improve dental care such as fluoride | 44 | |
| 8458353408 | house of representatives | after being approved by a committee, legislative bill come here to be voted on | 45 | |
| 8458353409 | wet scrubber | removes particles/gases from industrial exhaust such as in a paint manufacturing plant | 46 | |
| 8458353410 | strip cropping | alternating crops in strips, helps anchor soil by creating barriers so dirt is not washed away | 47 | |
| 8458353411 | dilution | dispersing pollutants into larger bodies of water (often first step in water treatment) | 48 | |
| 8458353412 | carbon fixation | the initial incorporation of carbon into organic compounds; carbon dioxide is changed into organic material like with photosynthesis used carbon dioxide to create energy | 49 | |
| 8458353413 | aging population | birth and death rates decline; a demographic trend that occurs as the average age of a population rises | 50 | |
| 8458353414 | biomagnification | a build-up of substance in a food chain as when mercury is found in a large fish who obtained the mercury by consuming other fish exposed to mercury | 51 | |
| 8458353415 | solar | best source of electricity in a village without infrastructure; energy from the sun | 52 | |
| 8458353416 | wind turbines | capture energy from wind; earliest example of wind power is from the ships using sails to harness the wind | 53 | |
| 8458353417 | wet scrubbing | gas being blasted through a wet solution to remove particles/pollutants | 54 | |
| 8458353418 | floods | do not affect climate change (may be a result of climate change but not a cause) | 55 | |
| 8458353419 | GAB Great Artisan Basin | largest aquifer in the world located in Australia | 56 | |
| 8458353420 | recycling | number prevention method for waste disposal | 57 | |
| 8458353421 | mangrove | biome usually found in coastal locations and consists of plants that can thrive in coastal conditions | 58 | |
| 8458353422 | carnivore | A consumer that eats only animals, such as a lion | 59 | |
| 8458353423 | sun | first step of the energy cycle | 60 | |
| 8458353424 | Chernobyl | largest nuclear disaster; 30km radius evacuation from area after accident in 1986 | 61 | |
| 8458353425 | magnetic field | protects earth from sun's energy | 62 | |
| 8458353426 | Clean Air Act | passed in 1970; provides standards for motor vehicle emissions | 63 | |
| 8458353427 | Chlorination | initial chemical treatment to arrest/stop biological growth in the water; kills waterborne diseases (same concept for swimming pools/hot tubs) | 64 | |
| 8458353428 | Environmental Protection Agency (EPA) | responsible for ensuring regulations are in place for drinking water quality in the US | 65 | |
| 8458353429 | Renewable energy | part of our natural ecosystem; examples are wind, solar/sun, waves, hydropower | 66 | |
| 8458353430 | burning coal | single biggest human activity to increase carbon dioxide CO2 levels in the atmosphere | 67 | |
| 8458353431 | population growth | growth of landfills are directly related to this; more people, more garbage | 68 | |
| 8458353432 | keystone | a species that has an large effect on its ecosystem | 69 | |
| 8458353433 | committee | where a bill begins its life in congress | 70 | |
| 8458353434 | acid rain | when elevated sulphur dioxide and nitrogen oxide chemical mix with water molecule in the atmosphere, this can happen | 71 | |
| 8458353435 | carbon dioxide | gas both naturally gathered and released by plants that is believed to be a major contributor to global warming | 72 | |
| 8458353436 | thermosphere | layer between exosphere and mesosphere; largest atmospheric layer starting at 50 above the earth's surface | 73 | |
| 8458353437 | Senate | once a bill passes a vote in the House of Representatives it goes here | 74 | |
| 8458353438 | tropical rainforest | which biome contains the most plant and animal diversity (50% of all species); located on the equator with an average rainfall of over 69 inches, temps stay above 64° | 75 | |
| 8458353439 | phosphourus | number one cause of eutrophication in lakes and rivers; promotes algae | 76 | |
| 8458353440 | Gulf of Mexico | Mississippi runs into it | 77 | |
| 8458353441 | omnivore | An animal that eats both plants and animals; humans, bears, pigs, rats are examples | 78 | |
| 8458353442 | coagulation and flocculation | adding chemicals to water to cause pollutants to stick together so they are easier to filter out later | 79 | |
| 8458353443 | combustible engines | number one cause of harmful levels of CO2 in the atmosphere | 80 | |
| 8458353444 | CO2 | carbon dioxide | 81 | |
| 8458353445 | USA | largest producer of hazardous waste in the world | 82 | |
| 8458353446 | exosphere | contain excess carbon dioxide from earth; results in thickening the layer of the atmosphere decreasing the earth's ability to dispel heat resulting in global warming | 83 | |
| 8458353447 | POTUS | President of the United States; when a bill is passed in the Senate it goes here next | 84 | |
| 8458353448 | nonpoint source pollution | pollution that comes from many sources rather than from a single, specific site | 85 | |
| 8458353449 | geothermal | name of energy derived from heat from the earth's core | 86 | |
| 8458353450 | National Ambient Air Quality Standards | PRIMARY standards that were set to protect children with respiratory illness and the elderly from EPA via the Clean Air Act | 87 | |
| 8458353451 | ambience temperature | measures humidity; temperature taken of air at any given point | 88 | |
| 8458353452 | contour farming | plugging crops following the natural contours of the landscape | 89 | |
| 8458353453 | global warming | theory that the heating process of the earth and lower atmosphere is due to man-made pollution | 90 | |
| 8458353454 | birth rate | measurement of the number of births per 1000 people so 30 birth per 1000 people be 3% | 91 | |
| 8458353455 | herbivore | A consumer that eats only plants, like a horse | 92 | |
| 8458353456 | greenhouse gases | Gases such as carbon dioxide, methane, nitrous oxide, water vapor, and ozone trap solar energy and redirect it back to the earth's surface causing the greenhouse effect. | 93 | |
| 8458353457 | nuclear power | energy produces toxic waste that is radioactive; power is generated by nuclear fission | 94 | |
| 8458353458 | secondary standards | protect public welfare from any hazardous effects from pollutants in air; not sure human health like the primary standards from the National Ambient Air Quality Standards | 95 | |
| 8458353459 | sustainable development | the use of natural resources that protect the environment; doesn't destroy environment but protects for future generations | 96 | |
| 8458353460 | fossil fuels | originated from plants and animals that are fossilized organic material high in carbon (after hundreds of millions of years of the earth's pressure and heat, they are converted into these fossil fuels) | 97 | |
| 8458353461 | transport | major factor in fossil fuel consumption (about 70% due to transportation) | 98 |
