| A | B |
|---|
| conservation | use resources wisely so they last longer |
| global warming | caused by the greenhouse effect |
| recycle | to reuse precious resources more than one time |
| pollution | can make air, water, soil, and oceans unhealthy of unuseable |
| greenhouse effect | certain gases in atmosphere trap heat radiation |
| endangered species | plants or animals on the verge of extinction due to pollution and habitat loss |
| extinction | whan a plant of animal species ceases to exist |
| greenhouse gases | include carbon dioxide and methane |
| succession | change in ecosystems- natural or man made |
| primary succession | first ecosystem in an area |
| pioneer species | first species to live in a new environment |
| secondary succession | new ecosystem after change/disaster |
| climax community | mature ecosystem; lots of biodiversity |
| carbon cycle | how carbon moves through the Earth's systems |
| carbon dioxide | greenhouse gas; too much= global warmig |
| fossil fuels | burning of these releases too much carbon dioxide |
