Unit 5.4
Unit 5.5
Unit 5.6
Unit 5.7
Unit 5.8
100

means changing behavior or biology to survive new conditions

what is an adaptation

100

this gas can be stored long term in oceans, fossil fuels, and limestone

what is carbon

100

nitrogen fixing bacteria convert N2 into what to be usable by plants

What is ammonia/ammonium

100

these nonrenewable resources come from ancient plants and marine organisms

what are fossil fuels

100

major reserves of this are located in Australia, Kazakhstan, and Canada

what is uranium

200

causes food shortages, droughts, and floods

what is climate change

200

how animals release carbon back into the air

what is respiration

200

denitrifying bacteria turns nitrates back into atmospheric ___

what is nitrogen (N2)

200

these are known as man made materials

what are synthetic products
200

Large deposits of these are located in Russia, Botswana, and Canada

what are diamond

300

a green house gas that cows produce from their manure

what is methane

300

lithosphere, oceans, atmosphere, plants, and soil are the biggest reservoirs for this gas

what is carbon

300

this element is needed in all DNA, RNA, ATP, and cell membranes

what is phosphorous

300

these products include gasoline, plastics, and synthetic fabrics

what are petroleum based products

300

this percentage is the amount of water that is safe to drink naturally on earth

what is 0.3%

400

ways that humans reduce global warming

what is utilizing renewable energy, planting trees, conserving water, recycling

400

needed to make amino acids, proteins, and nucleic acids

what is nitrogen

400

these can be living or nonliving

what are natural resources

400

this is most common in temperate regions and river deltas

what is fertile soil

400

this is the term meaning to remove salt from ocean water

what is desalination

500

plants taken carbon from the atmosphere through this process

what is photosynthesis

500

nitrogen gas makes up this percentage of Earth's atmosphere

what is 78%

500

these resources include air, wind, sunlight, and water

what is renewable

500

biodiversity is highest in this kind of environment

what is the tropical rainforest

500

large, frozen ice structures made of pure fresh water

what are glaciers