Across
- 2. a factor scientists manipulate in an experiment
- 4. the specific environment in which an organism lives
- 6. Only found in 1 region of the world
- 8. producing seed-bearing cones
- 9. the process by which new species are generated
- 10. a cyclical process that can be either positive or negative
- 11. a group of ecosystems that share similar biotic and abiotic conditions
Down
- 1. differences in DNA among individuals within a species
- 3. A disease causing agent
- 5. the variety of life across all levels of an environment
- 7. the effects on the environment from resources used and wasted