| A | B |
| independent variable | variable manipulated |
| data | recorded info from experiment |
| environment | includes all the living and nonliving with which organisms interact |
| ecological footprint | total amount of land and water required to support an individual |
| experiment | activity designed to test a hypothesis |
| agricultural revolution | humans moved from hunter/gatherer to agricultural lifestyle |
| dependent variable | placed on the y axis |
| tragedy of the commons | resources must be managed |
| ethics | study of right and wrong |
| models | tool used when direct observation can not be made |
| nonrenewable | natural resource formed more slowly than we use it |
| qualitative | descriptive data |
| quantitative | numeric data |
| peer review | process of evaluating science with feedback from multipes sources |
| environmentalism | social movement dedicated to protecting the natural world from undesirable changes brought by humans |
| renewable | natural resource replenished over months, years or decades |
| controlled study | only tests one variables |
| sustainability | use of a resource at a pace that can be replenished and foreseen into the future |
| theory | broader explanation of a phenomena with extensive evidence and support |
| hypothesis | testable idea that attempts to explain a question |
| industrial revolution | humans moved from agricultural lifestyle to urban, manufacturing lifestyle |
| geothermal energy | always renewable |
| fossil fuels | non-renewable |
| timber | renewable if used sustainably |