| __ | 1. | abiotic | | A. | groups of living things and nonliving in which they live |
| __ | 2. | biotic | | B. | all living things |
| __ | 3. | community | | C. | non living things |
| __ | 4. | consumers | | D. | where fresh water and salt water meet |
| __ | 5. | ecosystem | | E. | organisms that use energy from the sun to make their food |
| __ | 6. | estuary | | F. | organisms that get energy from eating other organisms |
| __ | 7. | habitat | | G. | physical space used by a population |
| __ | 8. | niche | | H. | an organisms lifestyle or role |
| __ | 9. | population | | I. | group of organisms of the same species living in same place |
| __ | 10. | producers | | J. | all populations living in the same area |