Across
- 3. All of the different populations of living things that interact with another in an area
- 4. A group of organisms that produce offspring
- 5. Average species population
- 7. members of the same species living within a given area
- 8. When species populations are at balance
Down
- 1. Interactions of all living and nonliving things
- 2. Having characteristics that show that something is different from others
- 6. Nonliving factors that influence an environment
- 9. Living organism that shapes its environment