| A | B |
|---|
| carrying capacity | the largest population of any SINGLE species an area can support |
| deforestation | forest destruction as a result of human activity |
| direct harvesting | destruction of an organism or removal of an organism from its habitat |
| energy flow | movement of energy through an ecosystem |
| fossil fuel | fuel such as coal and gas, that comes from the remains of organisms that lived millions of years ago |
| global warming | a increase in Earth's average surface temperature caused by an increase in greenhouse gases |
| nonrenewable resource | any resources, such as fossil fuels and minerals that cannot be replaced |
| technology | practical scientific knowledge that has been used to meet human needs |
| trade-off | an exchange or agreement made to reach an agreement |
| water cycle | process by which water continuously moves fron Earth's surface to the atmosphere and back |
