Across
- 2. a technique that uses organisms to remove or neutralize hazardous materials.
- 6. factors that limit the growth of a population.
- 8. the change of global temperatures and weather patterns over time.
- 10. a measure for how many resources people use and how quickly the earth can replenish those resources.
- 12. the ability of the biosphere to maintain its balance indefinitely.
- 14. Succession that begins with a barren landscape.
- 15. bacteria absorb nitrogen from the air and convert it into ammonia.
- 16. tend to be short-lived as other species come along and replace them.
Down
- 1. gases in the atmosphere that trap heat.
- 3. stable, long-lived species that mark the end of succession.
- 4. movements and interactions of these materials.
- 5. rapid rate of growth.
- 7. type of succession follows primary succession.
- 9. the number of individuals in a certain amount of space.
- 11. organisms that move into a habitat where they are not native.
- 13. the maximum number in a population that an area can sustain.