Across
- 4. when the birth rate and death rate are equal
- 6. something that can control population growth
- 7. growth that eventually levels off and stops increasing
- 8. the number of individuals in an area
- 9. the population that an ecosystem can sustain
- 11. a system with renewable, unlimited resources
Down
- 1. all of the members of one species
- 2. unlimited and continued growth
- 3. the birth rate
- 5. the death rate
- 10. a system with a fixed quantity of resources
