| A | B |
|---|
| biodegradable | newspapers |
| sustainable | indefinite existance of human populations |
| developing country | Mexico |
| renewable resource | wood |
| developed country | Canada |
| agriculture | practice of growing, breeding and caring for plants and animals |
| study of animals | zoology |
| Law of Supply and Demand | the price is directly related to the rate of its production |
| environmental science | the study of how humans interact with the environment |
| cost benefit analysis | listing both the merits and expenses involved with solutions to problems |
| United States | largest ecological footprint |
| ecological footprint | amount of land and ocean area needed to support one person |
| biodiversity | number and variety of species in an area |
| industrial period | pollution became significant problem during this time |
| hunter-gather period | humans used fires to maintain prairie habitat |
| agricultural revolution period | animals were domesticated |
| Ecology | science of examing how living things interact with each and the nonliving environment |
| extinction | when the last member of a species dies |
| developing countries | rapid pop growth, poverty, and short life expectancy |
| natural resources | sunlight, air, forests and minerals are all examples of this |
